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2445423401 is a prime number
BaseRepresentation
bin1001000111000010…
…0011001100101001
320022102111101021002
42101300203030221
520002012022101
61042353524345
7114412520201
oct22160431451
96272441232
102445423401
111045417883
12582b736b5
132cc830bc5
14192ac5401
15e4a49d6b
hex91c23329

2445423401 has 2 divisors, whose sum is σ = 2445423402. Its totient is φ = 2445423400.

The previous prime is 2445423371. The next prime is 2445423403. The reversal of 2445423401 is 1043245442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1802851600 + 642571801 = 42460^2 + 25349^2 .

It is a cyclic number.

It is not a de Polignac number, because 2445423401 - 214 = 2445407017 is a prime.

It is a super-2 number, since 2×24454234012 = 11960191220316813602, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 2445423403, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2445423403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222711700 + 1222711701.

It is an arithmetic number, because the mean of its divisors is an integer number (1222711701).

Almost surely, 22445423401 is an apocalyptic number.

It is an amenable number.

2445423401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2445423401 is an equidigital number, since it uses as much as digits as its factorization.

2445423401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 2445423401 is about 49451.2224419174. Note that the first 3 decimals coincide. The cubic root of 2445423401 is about 1347.2598100740.

Adding to 2445423401 its reverse (1043245442), we get a palindrome (3488668843).

The spelling of 2445423401 in words is "two billion, four hundred forty-five million, four hundred twenty-three thousand, four hundred one".