7625236325257 has 2 divisors, whose sum is σ = 7625236325258. Its totient is φ = 7625236325256.

The previous prime is 7625236325221. The next prime is 7625236325281. The reversal of 7625236325257 is 7525236325267.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3899297912896 + 3725938412361 = 1974664^2 + 1930269^2 .

It is a cyclic number.

It is not a de Polignac number, because 7625236325257 - 2¹¹ = 7625236323209 is a prime.

It is a super-2 number, since 2×7625236325257² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7625236325198 and 7625236325207.

It is not a weakly prime, because it can be changed into another prime (7625236325207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3812618162628 + 3812618162629.

It is an arithmetic number, because the mean of its divisors is an integer number (3812618162629).

Almost surely, 2^{7625236325257} is an apocalyptic number.

It is an amenable number.

7625236325257 is a deficient number, since it is larger than the sum of its proper divisors (1).

7625236325257 is an equidigital number, since it uses as much as digits as its factorization.

7625236325257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752000, while the sum is 55.

The spelling of 7625236325257 in words is "seven trillion, six hundred twenty-five billion, two hundred thirty-six million, three hundred twenty-five thousand, two hundred fifty-seven".