25045552 has 20 divisors (see below), whose sum is σ = 55458256. Its totient is φ = 10733760.

The previous prime is 25045523. The next prime is 25045571. The reversal of 25045552 is 25554052.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 25045552.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111699 + ... + 111922.

Almost surely, 2^25045552 is an apocalyptic number.

It is an amenable number.

25045552 is an abundant number, since it is smaller than the sum of its proper divisors (30412704).

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

25045552 is a wasteful number, since it uses less digits than its factorization.

25045552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223636 (or 223630 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 25045552 is about 5004.5531269035. The cubic root of 25045552 is about 292.5792592087.

The spelling of 25045552 in words is "twenty-five million, forty-five thousand, five hundred fifty-two".