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8457225401 is a prime number
BaseRepresentation
bin1111110000001011…
…10000010010111001
3210211101202120020102
413320011300102321
5114310022203101
63515111405145
7416402141552
oct77005602271
923741676212
108457225401
11364a979689
1217803837b5
13a4a19c7b1
145a32c7329
1534771486b
hex1f81704b9

8457225401 has 2 divisors, whose sum is σ = 8457225402. Its totient is φ = 8457225400.

The previous prime is 8457225391. The next prime is 8457225443. The reversal of 8457225401 is 1045227548.

8457225401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8072124025 + 385101376 = 89845^2 + 19624^2 .

It is a cyclic number.

It is not a de Polignac number, because 8457225401 - 218 = 8456963257 is a prime.

It is a super-2 number, since 2×84572254012 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8457224401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4228612700 + 4228612701.

It is an arithmetic number, because the mean of its divisors is an integer number (4228612701).

Almost surely, 28457225401 is an apocalyptic number.

It is an amenable number.

8457225401 is a deficient number, since it is larger than the sum of its proper divisors (1).

8457225401 is an equidigital number, since it uses as much as digits as its factorization.

8457225401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 89600, while the sum is 38.

The square root of 8457225401 is about 91963.1741568330. The cubic root of 8457225401 is about 2037.3984363089.

The spelling of 8457225401 in words is "eight billion, four hundred fifty-seven million, two hundred twenty-five thousand, four hundred one".