25023969 has 24 divisors (see below), whose sum is σ = 38688000. Its totient is φ = 15539040.

The previous prime is 25023959. The next prime is 25023991. The reversal of 25023969 is 96932052.

It is not a de Polignac number, because 25023969 - 2⁷ = 25023841 is a prime.

It is a super-2 number, since 2×25023969² = 1252398049025922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25023959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9232 + ... + 11630.

It is an arithmetic number, because the mean of its divisors is an integer number (1612000).

Almost surely, 2^25023969 is an apocalyptic number.

It is an amenable number.

25023969 is a deficient number, since it is larger than the sum of its proper divisors (13664031).

25023969 is a wasteful number, since it uses less digits than its factorization.

25023969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485 (or 2482 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 25023969 is about 5002.3963257623. The cubic root of 25023969 is about 292.4951916808.

The spelling of 25023969 in words is "twenty-five million, twenty-three thousand, nine hundred sixty-nine".