25596457207 has 2 divisors, whose sum is σ = 25596457208. Its totient is φ = 25596457206.

The previous prime is 25596457171. The next prime is 25596457241. The reversal of 25596457207 is 70275469552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25596457207 - 2²³ = 25588068599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25596457807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12798228603 + 12798228604.

It is an arithmetic number, because the mean of its divisors is an integer number (12798228604).

Almost surely, 2^25596457207 is an apocalyptic number.

25596457207 is a deficient number, since it is larger than the sum of its proper divisors (1).

25596457207 is an equidigital number, since it uses as much as digits as its factorization.

25596457207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292000, while the sum is 52.

The spelling of 25596457207 in words is "twenty-five billion, five hundred ninety-six million, four hundred fifty-seven thousand, two hundred seven".