25923595157 has 2 divisors, whose sum is σ = 25923595158. Its totient is φ = 25923595156.

The previous prime is 25923595123. The next prime is 25923595199. The reversal of 25923595157 is 75159532952.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17089287076 + 8834308081 = 130726^2 + 93991^2 .

It is a cyclic number.

It is not a de Polignac number, because 25923595157 - 2²² = 25919400853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25923595099 and 25923595108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25923595657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12961797578 + 12961797579.

It is an arithmetic number, because the mean of its divisors is an integer number (12961797579).

Almost surely, 2^25923595157 is an apocalyptic number.

It is an amenable number.

25923595157 is a deficient number, since it is larger than the sum of its proper divisors (1).

25923595157 is an equidigital number, since it uses as much as digits as its factorization.

25923595157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4252500, while the sum is 53.

The spelling of 25923595157 in words is "twenty-five billion, nine hundred twenty-three million, five hundred ninety-five thousand, one hundred fifty-seven".