25023999697 has 2 divisors, whose sum is σ = 25023999698. Its totient is φ = 25023999696.

The previous prime is 25023999691. The next prime is 25023999703. The reversal of 25023999697 is 79699932052.

It is a balanced prime because it is at equal distance from previous prime (25023999691) and next prime (25023999703).

It can be written as a sum of positive squares in only one way, i.e., 13263898561 + 11760101136 = 115169^2 + 108444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25023999697 is a prime.

It is not a weakly prime, because it can be changed into another prime (25023999691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12511999848 + 12511999849.

It is an arithmetic number, because the mean of its divisors is an integer number (12511999849).

Almost surely, 2^25023999697 is an apocalyptic number.

It is an amenable number.

25023999697 is a deficient number, since it is larger than the sum of its proper divisors (1).

25023999697 is an equidigital number, since it uses as much as digits as its factorization.

25023999697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16533720, while the sum is 61.

The spelling of 25023999697 in words is "twenty-five billion, twenty-three million, nine hundred ninety-nine thousand, six hundred ninety-seven".