25322353157 has 2 divisors, whose sum is σ = 25322353158. Its totient is φ = 25322353156.

The previous prime is 25322353141. The next prime is 25322353159. The reversal of 25322353157 is 75135322352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21454632676 + 3867720481 = 146474^2 + 62191^2 .

It is a cyclic number.

It is not a de Polignac number, because 25322353157 - 2⁴ = 25322353141 is a prime.

Together with 25322353159, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25322353157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25322353159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12661176578 + 12661176579.

It is an arithmetic number, because the mean of its divisors is an integer number (12661176579).

Almost surely, 2^25322353157 is an apocalyptic number.

It is an amenable number.

25322353157 is a deficient number, since it is larger than the sum of its proper divisors (1).

25322353157 is an equidigital number, since it uses as much as digits as its factorization.

25322353157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189000, while the sum is 38.

The spelling of 25322353157 in words is "twenty-five billion, three hundred twenty-two million, three hundred fifty-three thousand, one hundred fifty-seven".