2522437561 has 32 divisors (see below), whose sum is σ = 2987424000. Its totient is φ = 2085460992.

The previous prime is 2522437553. The next prime is 2522437573. The reversal of 2522437561 is 1657342252.

It is a cyclic number.

It is not a de Polignac number, because 2522437561 - 2³ = 2522437553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2522437561.

It is not an unprimeable number, because it can be changed into a prime (2522437591) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6167125 + ... + 6167533.

It is an arithmetic number, because the mean of its divisors is an integer number (93357000).

Almost surely, 2^2522437561 is an apocalyptic number.

It is an amenable number.

2522437561 is a deficient number, since it is larger than the sum of its proper divisors (464986439).

2522437561 is a wasteful number, since it uses less digits than its factorization.

2522437561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721.

The product of its digits is 100800, while the sum is 37.

The square root of 2522437561 is about 50223.8744124744. The cubic root of 2522437561 is about 1361.2570487158.

The spelling of 2522437561 in words is "two billion, five hundred twenty-two million, four hundred thirty-seven thousand, five hundred sixty-one".