15264225 has 36 divisors (see below), whose sum is σ = 27565200. Its totient is φ = 8074080.

The previous prime is 15264209. The next prime is 15264233. The reversal of 15264225 is 52246251.

15264225 is a `hidden beast` number, since 15 + 2 + 642 + 2 + 5 = 666.

It is not a de Polignac number, because 15264225 - 2⁴ = 15264209 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 40086 + ... + 40464.

It is an arithmetic number, because the mean of its divisors is an integer number (765700).

Almost surely, 2^15264225 is an apocalyptic number.

15264225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15264225 is a deficient number, since it is larger than the sum of its proper divisors (12300975).

15264225 is a wasteful number, since it uses less digits than its factorization.

15264225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 566 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 15264225 is about 3906.9457380414. The cubic root of 15264225 is about 248.0608645705.

The spelling of 15264225 in words is "fifteen million, two hundred sixty-four thousand, two hundred twenty-five".