2565612275 has 24 divisors (see below), whose sum is σ = 3366451200. Its totient is φ = 1934215200.

The previous prime is 2565612251. The next prime is 2565612277. The reversal of 2565612275 is 5722165652.

2565612275 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 2565612275 - 2⁸ = 2565612019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2565612277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76586 + ... + 104864.

It is an arithmetic number, because the mean of its divisors is an integer number (140268800).

Almost surely, 2^2565612275 is an apocalyptic number.

2565612275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2565612275 is a deficient number, since it is larger than the sum of its proper divisors (800838925).

2565612275 is a wasteful number, since it uses less digits than its factorization.

2565612275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28499 (or 28494 counting only the distinct ones).

The product of its digits is 252000, while the sum is 41.

The square root of 2565612275 is about 50651.8733612095. The cubic root of 2565612275 is about 1368.9797001267.

The spelling of 2565612275 in words is "two billion, five hundred sixty-five million, six hundred twelve thousand, two hundred seventy-five".