25363157 has 4 divisors (see below), whose sum is σ = 26698080. Its totient is φ = 24028236.

The previous prime is 25363141. The next prime is 25363171. The reversal of 25363157 is 75136352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 25363157 - 2⁴ = 25363141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25363757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667433 + ... + 667470.

It is an arithmetic number, because the mean of its divisors is an integer number (6674520).

Almost surely, 2^25363157 is an apocalyptic number.

It is an amenable number.

25363157 is a deficient number, since it is larger than the sum of its proper divisors (1334923).

25363157 is a wasteful number, since it uses less digits than its factorization.

25363157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334922.

The product of its digits is 18900, while the sum is 32.

The square root of 25363157 is about 5036.1847662690. The cubic root of 25363157 is about 293.8108096833.

The spelling of 25363157 in words is "twenty-five million, three hundred sixty-three thousand, one hundred fifty-seven".