25469872 has 20 divisors (see below), whose sum is σ = 49859656. Its totient is φ = 12602880.

The previous prime is 25469869. The next prime is 25469881. The reversal of 25469872 is 27896452.

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, 6654 + ... + 9757.

Almost surely, 2^25469872 is an apocalyptic number.

It is an amenable number.

25469872 is a deficient number, since it is larger than the sum of its proper divisors (24389784).

25469872 is a wasteful number, since it uses less digits than its factorization.

25469872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16516 (or 16510 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 25469872 is about 5046.7684710119. The cubic root of 25469872 is about 294.2223009032. Note that the first 3 decimals are identical.

The spelling of 25469872 in words is "twenty-five million, four hundred sixty-nine thousand, eight hundred seventy-two".