25926157 has 2 divisors, whose sum is σ = 25926158. Its totient is φ = 25926156.

The previous prime is 25926151. The next prime is 25926191. The reversal of 25926157 is 75162952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25210441 + 715716 = 5021^2 + 846^2 .

It is a cyclic number.

It is not a de Polignac number, because 25926157 - 2²³ = 17537549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25926151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12963078 + 12963079.

It is an arithmetic number, because the mean of its divisors is an integer number (12963079).

Almost surely, 2^25926157 is an apocalyptic number.

It is an amenable number.

25926157 is a deficient number, since it is larger than the sum of its proper divisors (1).

25926157 is an equidigital number, since it uses as much as digits as its factorization.

25926157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 37.

The square root of 25926157 is about 5091.7734631462. The cubic root of 25926157 is about 295.9688798851.

The spelling of 25926157 in words is "twenty-five million, nine hundred twenty-six thousand, one hundred fifty-seven".