25669252 has 24 divisors (see below), whose sum is σ = 54359424. Its totient is φ = 10353792.

The previous prime is 25669243. The next prime is 25669261. The reversal of 25669252 is 25296652.

It is an interprime number because it is at equal distance from previous prime (25669243) and next prime (25669261).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26488 + ... + 27439.

It is an arithmetic number, because the mean of its divisors is an integer number (2264976).

Almost surely, 2^25669252 is an apocalyptic number.

It is an amenable number.

25669252 is an abundant number, since it is smaller than the sum of its proper divisors (28690172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25669252 is a wasteful number, since it uses less digits than its factorization.

25669252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53955 (or 53953 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 25669252 is about 5066.4831984326. The cubic root of 25669252 is about 294.9880374350.

It can be divided in two parts, 25669 and 252, that added together give a square (25921 = 161²).

The spelling of 25669252 in words is "twenty-five million, six hundred sixty-nine thousand, two hundred fifty-two".