22512500537 has 2 divisors, whose sum is σ = 22512500538. Its totient is φ = 22512500536.

The previous prime is 22512500513. The next prime is 22512500561. The reversal of 22512500537 is 73500521522.

It is a balanced prime because it is at equal distance from previous prime (22512500513) and next prime (22512500561).

It can be written as a sum of positive squares in only one way, i.e., 21964425616 + 548074921 = 148204^2 + 23411^2 .

It is a cyclic number.

It is not a de Polignac number, because 22512500537 - 2⁸ = 22512500281 is a prime.

It is not a weakly prime, because it can be changed into another prime (22512500137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11256250268 + 11256250269.

It is an arithmetic number, because the mean of its divisors is an integer number (11256250269).

Almost surely, 2^22512500537 is an apocalyptic number.

It is an amenable number.

22512500537 is a deficient number, since it is larger than the sum of its proper divisors (1).

22512500537 is an equidigital number, since it uses as much as digits as its factorization.

22512500537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21000, while the sum is 32.

The spelling of 22512500537 in words is "twenty-two billion, five hundred twelve million, five hundred thousand, five hundred thirty-seven".