2565422376 has 32 divisors (see below), whose sum is σ = 6996607200. Its totient is φ = 777400640.

The previous prime is 2565422371. The next prime is 2565422381. The reversal of 2565422376 is 6732245652.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2565422371) and next prime (2565422381).

It is not an unprimeable number, because it can be changed into a prime (2565422371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4858491 + ... + 4859018.

It is an arithmetic number, because the mean of its divisors is an integer number (218643975).

Almost surely, 2^2565422376 is an apocalyptic number.

It is an amenable number.

2565422376 is an abundant number, since it is smaller than the sum of its proper divisors (4431184824).

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

2565422376 is a wasteful number, since it uses less digits than its factorization.

2565422376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9717529 (or 9717525 counting only the distinct ones).

The product of its digits is 604800, while the sum is 42.

The square root of 2565422376 is about 50649.9987759131. The cubic root of 2565422376 is about 1368.9459233563.

The spelling of 2565422376 in words is "two billion, five hundred sixty-five million, four hundred twenty-two thousand, three hundred seventy-six".