25500075 has 24 divisors (see below), whose sum is σ = 43146048. Its totient is φ = 13282080.

The previous prime is 25500061. The next prime is 25500089. The reversal of 25500075 is 57000552.

It is an interprime number because it is at equal distance from previous prime (25500061) and next prime (25500089).

It is not a de Polignac number, because 25500075 - 2⁵ = 25500043 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 729 + ... + 7178.

It is an arithmetic number, because the mean of its divisors is an integer number (1797752).

Almost surely, 2^25500075 is an apocalyptic number.

25500075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25500075 is a deficient number, since it is larger than the sum of its proper divisors (17645973).

25500075 is a wasteful number, since it uses less digits than its factorization.

25500075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7963 (or 7958 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 24.

The square root of 25500075 is about 5049.7598952822. The cubic root of 25500075 is about 294.3385544108.

The spelling of 25500075 in words is "twenty-five million, five hundred thousand, seventy-five".