25428064 has 24 divisors (see below), whose sum is σ = 52239600. Its totient is φ = 12160896.

The previous prime is 25428049. The next prime is 25428071. The reversal of 25428064 is 46082452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16539 + ... + 18010.

It is an arithmetic number, because the mean of its divisors is an integer number (2176650).

Almost surely, 2^25428064 is an apocalyptic number.

It is an amenable number.

25428064 is an abundant number, since it is smaller than the sum of its proper divisors (26811536).

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

25428064 is a wasteful number, since it uses less digits than its factorization.

25428064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34582 (or 34574 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 25428064 is about 5042.6247133809. The cubic root of 25428064 is about 294.0612271637.

The spelling of 25428064 in words is "twenty-five million, four hundred twenty-eight thousand, sixty-four".