25502713097 has 2 divisors, whose sum is σ = 25502713098. Its totient is φ = 25502713096.

The previous prime is 25502713037. The next prime is 25502713111. The reversal of 25502713097 is 79031720552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13535228281 + 11967484816 = 116341^2 + 109396^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25502713097 is a prime.

It is not a weakly prime, because it can be changed into another prime (25502713037) 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, 12751356548 + 12751356549.

It is an arithmetic number, because the mean of its divisors is an integer number (12751356549).

Almost surely, 2^25502713097 is an apocalyptic number.

It is an amenable number.

25502713097 is a deficient number, since it is larger than the sum of its proper divisors (1).

25502713097 is an equidigital number, since it uses as much as digits as its factorization.

25502713097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 41.

The spelling of 25502713097 in words is "twenty-five billion, five hundred two million, seven hundred thirteen thousand, ninety-seven".