2565366652 has 12 divisors (see below), whose sum is σ = 4490320576. Its totient is φ = 1282417920.

The previous prime is 2565366647. The next prime is 2565366667. The reversal of 2565366652 is 2566635652.

It is a happy number.

2565366652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2565366652² = 13162212118387378208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43749 + ... + 83932.

Almost surely, 2^2565366652 is an apocalyptic number.

It is an amenable number.

2565366652 is a deficient number, since it is larger than the sum of its proper divisors (1924953924).

2565366652 is a wasteful number, since it uses less digits than its factorization.

2565366652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132708 (or 132706 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 46.

The square root of 2565366652 is about 50649.4486840676. The cubic root of 2565366652 is about 1368.9360115778.

The spelling of 2565366652 in words is "two billion, five hundred sixty-five million, three hundred sixty-six thousand, six hundred fifty-two".