25506252 has 42 divisors (see below), whose sum is σ = 66930948. Its totient is φ = 8501112.

The previous prime is 25506233. The next prime is 25506259. The reversal of 25506252 is 25260552.

25506252 is a `hidden beast` number, since 2 + 550 + 62 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (25506259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1458 + ... + 7289.

It is an arithmetic number, because the mean of its divisors is an integer number (1593594).

Almost surely, 2^25506252 is an apocalyptic number.

It is an amenable number.

25506252 is an abundant number, since it is smaller than the sum of its proper divisors (41424696).

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

25506252 is an equidigital number, since it uses as much as digits as its factorization.

25506252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8769 (or 8752 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 25506252 is about 5050.3714714860. The cubic root of 25506252 is about 294.3623188176.

The spelling of 25506252 in words is "twenty-five million, five hundred six thousand, two hundred fifty-two".