2565026316 has 36 divisors (see below), whose sum is σ = 6621774432. Its totient is φ = 836816544.

The previous prime is 2565026291. The next prime is 2565026327. The reversal of 2565026316 is 6136205652.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 756295 + ... + 759678.

Almost surely, 2^2565026316 is an apocalyptic number.

It is an amenable number.

2565026316 is an abundant number, since it is smaller than the sum of its proper divisors (4056748116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2565026316 is a wasteful number, since it uses less digits than its factorization.

2565026316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516030 (or 1516025 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 2565026316 is about 50646.0888519538. The cubic root of 2565026316 is about 1368.8754719781.

The spelling of 2565026316 in words is "two billion, five hundred sixty-five million, twenty-six thousand, three hundred sixteen".