25116552 has 96 divisors (see below), whose sum is σ = 73569600. Its totient is φ = 7717248.

The previous prime is 25116521. The next prime is 25116569. The reversal of 25116552 is 25561152.

25116552 is a `hidden beast` number, since 2 + 5 + 1 + 1 + 655 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47763 + ... + 48285.

It is an arithmetic number, because the mean of its divisors is an integer number (766350).

Almost surely, 2^25116552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25116552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36784800).

25116552 is an abundant number, since it is smaller than the sum of its proper divisors (48453048).

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

25116552 is a wasteful number, since it uses less digits than its factorization.

25116552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 580 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 25116552 is about 5011.6416472050. The cubic root of 25116552 is about 292.8554696485.

The spelling of 25116552 in words is "twenty-five million, one hundred sixteen thousand, five hundred fifty-two".