25075 has 12 divisors (see below), whose sum is σ = 33480. Its totient is φ = 18560.

The previous prime is 25073. The next prime is 25087. The reversal of 25075 is 57052.

25075 = 15³ + 16³ + ... + 19³.

It is a happy number.

It is not a de Polignac number, because 25075 - 2¹ = 25073 is a prime.

25075 is a modest number, since divided by 75 gives 25 as remainder.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25073) 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, 396 + ... + 454.

It is an arithmetic number, because the mean of its divisors is an integer number (2790).

2²⁵⁰⁷⁵ is an apocalyptic number.

25075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25075 is the 85-th nonagonal number.

25075 is a deficient number, since it is larger than the sum of its proper divisors (8405).

25075 is a wasteful number, since it uses less digits than its factorization.

25075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 19.

The square root of 25075 is about 158.3508762211. The cubic root of 25075 is about 29.2693883680.

Adding to 25075 its product of nonzero digits (350), we get a triangular number (25425 = T₂₂₅).

It can be divided in two parts, 250 and 75, that added together give a triangular number (325 = T₂₅).

The spelling of 25075 in words is "twenty-five thousand, seventy-five".