615264225 has 24 divisors (see below), whose sum is σ = 1027321152. Its totient is φ = 324888000.

The previous prime is 615264211. The next prime is 615264233. The reversal of 615264225 is 522462516.

615264225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 615264225 - 2⁵ = 615264193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33037 + ... + 48186.

It is an arithmetic number, because the mean of its divisors is an integer number (42805048).

Almost surely, 2^615264225 is an apocalyptic number.

It is an amenable number.

615264225 is a deficient number, since it is larger than the sum of its proper divisors (412056927).

615264225 is a wasteful number, since it uses less digits than its factorization.

615264225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81337 (or 81332 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 615264225 is about 24804.5202533732. The cubic root of 615264225 is about 850.5252693379.

The spelling of 615264225 in words is "six hundred fifteen million, two hundred sixty-four thousand, two hundred twenty-five".