25445252 has 12 divisors (see below), whose sum is σ = 50890560. Its totient is φ = 10905096.

The previous prime is 25445249. The next prime is 25445257. The reversal of 25445252 is 25254452.

25445252 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (25445257) 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, 454352 + ... + 454407.

It is an arithmetic number, because the mean of its divisors is an integer number (4240880).

Almost surely, 2^25445252 is an apocalyptic number.

It is an amenable number.

25445252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25445252 is a wasteful number, since it uses less digits than its factorization.

25445252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908770 (or 908768 counting only the distinct ones).

The product of its digits is 16000, while the sum is 29.

The square root of 25445252 is about 5044.3286966652. The cubic root of 25445252 is about 294.1274687512.

The spelling of 25445252 in words is "twenty-five million, four hundred forty-five thousand, two hundred fifty-two".