2505692564 has 12 divisors (see below), whose sum is σ = 4615749600. Its totient is φ = 1186906968.

The previous prime is 2505692557. The next prime is 2505692587. The reversal of 2505692564 is 4652965052.

2505692564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 16484744 + ... + 16484895.

It is an arithmetic number, because the mean of its divisors is an integer number (384645800).

Almost surely, 2^2505692564 is an apocalyptic number.

It is an amenable number.

2505692564 is a deficient number, since it is larger than the sum of its proper divisors (2110057036).

2505692564 is a wasteful number, since it uses less digits than its factorization.

2505692564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32969662 (or 32969660 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 44.

The square root of 2505692564 is about 50056.8932715565. The cubic root of 2505692564 is about 1358.2381604723.

The spelling of 2505692564 in words is "two billion, five hundred five million, six hundred ninety-two thousand, five hundred sixty-four".