25125552 has 50 divisors (see below), whose sum is σ = 72724388. Its totient is φ = 8374752.

The previous prime is 25125547. The next prime is 25125559. The reversal of 25125552 is 25552152.

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 (25125559) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8398 + ... + 10989.

Almost surely, 2^25125552 is an apocalyptic number.

It is an amenable number.

25125552 is an abundant number, since it is smaller than the sum of its proper divisors (47598836).

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

25125552 is a wasteful number, since it uses less digits than its factorization.

25125552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19407 (or 19392 counting only the distinct ones).

The product of its digits is 5000, while the sum is 27.

The square root of 25125552 is about 5012.5394761538. The cubic root of 25125552 is about 292.8904450500.

The spelling of 25125552 in words is "twenty-five million, one hundred twenty-five thousand, five hundred fifty-two".