25157464 has 16 divisors (see below), whose sum is σ = 47239920. Its totient is φ = 12560160.

The previous prime is 25157453. The next prime is 25157543. The reversal of 25157464 is 46475152.

It is a super-2 number, since 2×25157464² = 1265795989822592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4674 + ... + 8494.

It is an arithmetic number, because the mean of its divisors is an integer number (2952495).

Almost surely, 2^25157464 is an apocalyptic number.

It is an amenable number.

25157464 is a deficient number, since it is larger than the sum of its proper divisors (22082456).

25157464 is a wasteful number, since it uses less digits than its factorization.

25157464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4650 (or 4646 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 25157464 is about 5015.7216828688. The cubic root of 25157464 is about 293.0143927823.

The spelling of 25157464 in words is "twenty-five million, one hundred fifty-seven thousand, four hundred sixty-four".