2565376316 has 6 divisors (see below), whose sum is σ = 4489408560. Its totient is φ = 1282688156.

The previous prime is 2565376291. The next prime is 2565376321. The reversal of 2565376316 is 6136735652.

It is a happy number.

It is a super-5 number, since 5×2565376316⁵ (a number of 48 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320672036 + ... + 320672043.

It is an arithmetic number, because the mean of its divisors is an integer number (748234760).

Almost surely, 2^2565376316 is an apocalyptic number.

It is an amenable number.

2565376316 is a deficient number, since it is larger than the sum of its proper divisors (1924032244).

2565376316 is a wasteful number, since it uses less digits than its factorization.

2565376316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641344083 (or 641344081 counting only the distinct ones).

The product of its digits is 680400, while the sum is 44.

The square root of 2565376316 is about 50649.5440848188. The cubic root of 2565376316 is about 1368.9377305499.

The spelling of 2565376316 in words is "two billion, five hundred sixty-five million, three hundred seventy-six thousand, three hundred sixteen".