2565304312 has 32 divisors (see below), whose sum is σ = 4992624000. Its totient is φ = 1234396800.

The previous prime is 2565304307. The next prime is 2565304351. The reversal of 2565304312 is 2134035652.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16314 + ... + 73462.

It is an arithmetic number, because the mean of its divisors is an integer number (156019500).

Almost surely, 2^2565304312 is an apocalyptic number.

It is an amenable number.

2565304312 is a deficient number, since it is larger than the sum of its proper divisors (2427319688).

2565304312 is a wasteful number, since it uses less digits than its factorization.

2565304312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57367 (or 57363 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2565304312 is about 50648.8332738277. The cubic root of 2565304312 is about 1368.9249228234.

Adding to 2565304312 its reverse (2134035652), we get a palindrome (4699339964).

The spelling of 2565304312 in words is "two billion, five hundred sixty-five million, three hundred four thousand, three hundred twelve".