25623552 has 88 divisors (see below), whose sum is σ = 72054400. Its totient is φ = 8073216.

The previous prime is 25623551. The next prime is 25623557. The reversal of 25623552 is 25532652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25623551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58149 + ... + 58587.

It is an arithmetic number, because the mean of its divisors is an integer number (818800).

Almost surely, 2^25623552 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 25623552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36027200).

25623552 is an abundant number, since it is smaller than the sum of its proper divisors (46430848).

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

25623552 is a wasteful number, since it uses less digits than its factorization.

25623552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 463 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 25623552 is about 5061.9711575630. The cubic root of 25623552 is about 294.8128737611.

The spelling of 25623552 in words is "twenty-five million, six hundred twenty-three thousand, five hundred fifty-two".