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2551255241 is a prime number
BaseRepresentation
bin1001100000010001…
…0001000011001001
320120210122012020212
42120010101003021
520211110131431
61101054130505
7120136211633
oct23004210311
96523565225
102551255241
11109a131907
125b24b0a35
13318736cb2
141a2b93a53
15edea272b
hex981110c9

2551255241 has 2 divisors, whose sum is σ = 2551255242. Its totient is φ = 2551255240.

The previous prime is 2551255219. The next prime is 2551255247. The reversal of 2551255241 is 1425521552.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1597680841 + 953574400 = 39971^2 + 30880^2 .

It is a cyclic number.

It is not a de Polignac number, because 2551255241 - 210 = 2551254217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2551255198 and 2551255207.

It is not a weakly prime, because it can be changed into another prime (2551255247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275627620 + 1275627621.

It is an arithmetic number, because the mean of its divisors is an integer number (1275627621).

Almost surely, 22551255241 is an apocalyptic number.

It is an amenable number.

2551255241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551255241 is an equidigital number, since it uses as much as digits as its factorization.

2551255241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20000, while the sum is 32.

The square root of 2551255241 is about 50509.9519005908. The cubic root of 2551255241 is about 1366.4213420914.

Adding to 2551255241 its reverse (1425521552), we get a palindrome (3976776793).

The spelling of 2551255241 in words is "two billion, five hundred fifty-one million, two hundred fifty-five thousand, two hundred forty-one".