2615564025 has 72 divisors (see below), whose sum is σ = 4902233856. Its totient is φ = 1330560000.

The previous prime is 2615564009. The next prime is 2615564057. The reversal of 2615564025 is 5204655162.

2615564025 is a `hidden beast` number, since 2 + 6 + 1 + 5 + 5 + 640 + 2 + 5 = 666.

It is not a de Polignac number, because 2615564025 - 2⁴ = 2615564009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3482400 + ... + 3483150.

Almost surely, 2^2615564025 is an apocalyptic number.

2615564025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2615564025 is a deficient number, since it is larger than the sum of its proper divisors (2286669831).

2615564025 is a wasteful number, since it uses less digits than its factorization.

2615564025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 2615564025 is about 51142.5852397002. The cubic root of 2615564025 is about 1377.8072059428.

The spelling of 2615564025 in words is "two billion, six hundred fifteen million, five hundred sixty-four thousand, twenty-five".