25674489 has 15 divisors (see below), whose sum is σ = 38421493. Its totient is φ = 17085924.

The previous prime is 25674461. The next prime is 25674511. The reversal of 25674489 is 98447652.

It is a happy number.

The square root of 25674489 is 5067.

It is a perfect power (a square), and thus also a powerful number.

25674489 is a `hidden beast` number, since 2 + 567 + 4 + 4 + 89 = 666.

It is not a de Polignac number, because 25674489 - 2²³ = 17285881 is a prime.

It is a super-2 number, since 2×25674489² = 1318358770822242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25674989) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 45322 + ... + 45884.

Almost surely, 2^25674489 is an apocalyptic number.

25674489 is the 5067-th square number.

25674489 is the 2534-th centered octagonal number.

It is an amenable number.

25674489 is a deficient number, since it is larger than the sum of its proper divisors (12747004).

25674489 is an frugal number, since it uses more digits than its factorization.

25674489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 566 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The cubic root of 25674489 is about 295.0080970678.

It can be divided in two parts, 2567 and 4489, that added together give a square (7056 = 84²).

The spelling of 25674489 in words is "twenty-five million, six hundred seventy-four thousand, four hundred eighty-nine".