25632064 has 56 divisors (see below), whose sum is σ = 54315360. Its totient is φ = 11966976.

The previous prime is 25632059. The next prime is 25632067. The reversal of 25632064 is 46023652.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25632067) 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, 130014 + ... + 130210.

Almost surely, 2^25632064 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 25632064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27157680).

25632064 is an abundant number, since it is smaller than the sum of its proper divisors (28683296).

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

25632064 is a wasteful number, since it uses less digits than its factorization.

25632064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 25632064 is about 5062.8118669372. The cubic root of 25632064 is about 294.8455152070.

The spelling of 25632064 in words is "twenty-five million, six hundred thirty-two thousand, sixty-four".