25368489 has 12 divisors (see below), whose sum is σ = 36704772. Its totient is φ = 16884000.

The previous prime is 25368479. The next prime is 25368521. The reversal of 25368489 is 98486352.

It can be written as a sum of positive squares in 2 ways, for example, as 10989225 + 14379264 = 3315^2 + 3792^2 .

It is not a de Polignac number, because 25368489 - 2⁵ = 25368457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25368479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4299 + ... + 8319.

It is an arithmetic number, because the mean of its divisors is an integer number (3058731).

Almost surely, 2^25368489 is an apocalyptic number.

It is an amenable number.

25368489 is a deficient number, since it is larger than the sum of its proper divisors (11336283).

25368489 is a wasteful number, since it uses less digits than its factorization.

25368489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728 (or 4725 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 25368489 is about 5036.7141074316. The cubic root of 25368489 is about 293.8313971503.

It can be divided in two parts, 2536 and 8489, that added together give a square (11025 = 105²).

The spelling of 25368489 in words is "twenty-five million, three hundred sixty-eight thousand, four hundred eighty-nine".