25449252 has 12 divisors (see below), whose sum is σ = 59381616. Its totient is φ = 8483080.

The previous prime is 25449251. The next prime is 25449253. The reversal of 25449252 is 25294452.

It is an interprime number because it is at equal distance from previous prime (25449251) and next prime (25449253).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (25449251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060374 + ... + 1060397.

It is an arithmetic number, because the mean of its divisors is an integer number (4948468).

Almost surely, 2^25449252 is an apocalyptic number.

It is an amenable number.

25449252 is an abundant number, since it is smaller than the sum of its proper divisors (33932364).

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

25449252 is a wasteful number, since it uses less digits than its factorization.

25449252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120778 (or 2120776 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 25449252 is about 5044.7251659530. The cubic root of 25449252 is about 294.1428802477.

The spelling of 25449252 in words is "twenty-five million, four hundred forty-nine thousand, two hundred fifty-two".