25023565 has 16 divisors (see below), whose sum is σ = 35020800. Its totient is φ = 17157840.

The previous prime is 25023553. The next prime is 25023577. The reversal of 25023565 is 56532052.

It is an interprime number because it is at equal distance from previous prime (25023553) and next prime (25023577).

It is not a de Polignac number, because 25023565 - 2¹³ = 25015373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5581 + ... + 9010.

It is an arithmetic number, because the mean of its divisors is an integer number (2188800).

Almost surely, 2^25023565 is an apocalyptic number.

It is an amenable number.

25023565 is a deficient number, since it is larger than the sum of its proper divisors (9997235).

25023565 is an equidigital number, since it uses as much as digits as its factorization.

25023565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14617 (or 14603 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 25023565 is about 5002.3559449523. The cubic root of 25023565 is about 292.4936176073.

The spelling of 25023565 in words is "twenty-five million, twenty-three thousand, five hundred sixty-five".