2522516538 has 16 divisors (see below), whose sum is σ = 5062863456. Its totient is φ = 837867120.

The previous prime is 2522516537. The next prime is 2522516543. The reversal of 2522516538 is 8356152252.

It is a junction number, because it is equal to n+sod(n) for n = 2522516496 and 2522516505.

It is not an unprimeable number, because it can be changed into a prime (2522516537) 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, 741093 + ... + 744488.

It is an arithmetic number, because the mean of its divisors is an integer number (316428966).

Almost surely, 2^2522516538 is an apocalyptic number.

2522516538 is an abundant number, since it is smaller than the sum of its proper divisors (2540346918).

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

2522516538 is a wasteful number, since it uses less digits than its factorization.

2522516538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485869.

The product of its digits is 144000, while the sum is 39.

The square root of 2522516538 is about 50224.6606558969. The cubic root of 2522516538 is about 1361.2712554600.

The spelling of 2522516538 in words is "two billion, five hundred twenty-two million, five hundred sixteen thousand, five hundred thirty-eight".