25552512 has 96 divisors (see below), whose sum is σ = 75462660. Its totient is φ = 8294400.

The previous prime is 25552493. The next prime is 25552561. The reversal of 25552512 is 21525552.

It can be written as a sum of positive squares in 2 ways, for example, as 22810176 + 2742336 = 4776^2 + 1656^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46962 + ... + 47502.

Almost surely, 2^25552512 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 25552512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37731330).

25552512 is an abundant number, since it is smaller than the sum of its proper divisors (49910148).

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

25552512 is a wasteful number, since it uses less digits than its factorization.

25552512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 587 counting only the distinct ones).

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

The square root of 25552512 is about 5054.9492579056. The cubic root of 25552512 is about 294.5401703338.

The spelling of 25552512 in words is "twenty-five million, five hundred fifty-two thousand, five hundred twelve".