2565120532 has 30 divisors (see below), whose sum is σ = 4863244498. Its totient is φ = 1183849056.

The previous prime is 2565120529. The next prime is 2565120541. The reversal of 2565120532 is 2350215652.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 2491607056 + 73513476 = 49916^2 + 8574^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2565120494 and 2565120503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 103018 + ... + 125470.

Almost surely, 2^2565120532 is an apocalyptic number.

It is an amenable number.

2565120532 is a deficient number, since it is larger than the sum of its proper divisors (2298123966).

2565120532 is an equidigital number, since it uses as much as digits as its factorization.

2565120532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22509 (or 22468 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 2565120532 is about 50647.0189843390. The cubic root of 2565120532 is about 1368.8922318311.

It can be divided in two parts, 2565120 and 532, that added together give a palindrome (2565652).

The spelling of 2565120532 in words is "two billion, five hundred sixty-five million, one hundred twenty thousand, five hundred thirty-two".