2565015608 has 16 divisors (see below), whose sum is σ = 4870284000. Its totient is φ = 1266273216.

The previous prime is 2565015587. The next prime is 2565015611. The reversal of 2565015608 is 8065105652.

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, 2028653 + ... + 2029916.

It is an arithmetic number, because the mean of its divisors is an integer number (304392750).

Almost surely, 2^2565015608 is an apocalyptic number.

It is an amenable number.

2565015608 is a deficient number, since it is larger than the sum of its proper divisors (2305268392).

2565015608 is a wasteful number, since it uses less digits than its factorization.

2565015608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058654 (or 4058650 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 2565015608 is about 50645.9831378561. The cubic root of 2565015608 is about 1368.8735671323.

The spelling of 2565015608 in words is "two billion, five hundred sixty-five million, fifteen thousand, six hundred eight".