25064928 has 72 divisors (see below), whose sum is σ = 81467568. Its totient is φ = 7160832.

The previous prime is 25064927. The next prime is 25064939. The reversal of 25064928 is 82946052.

It is a happy number.

25064928 is a `hidden beast` number, since 2 + 5 + 0 + 649 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 25064892 and 25064901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25064927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4201 + ... + 8232.

It is an arithmetic number, because the mean of its divisors is an integer number (1131494).

Almost surely, 2^25064928 is an apocalyptic number.

25064928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25064928 is an abundant number, since it is smaller than the sum of its proper divisors (56402640).

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

25064928 is a wasteful number, since it uses less digits than its factorization.

25064928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12456 (or 12445 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 25064928 is about 5006.4885898202. The cubic root of 25064928 is about 292.6546891619.

The spelling of 25064928 in words is "twenty-five million, sixty-four thousand, nine hundred twenty-eight".