22512500513 has 2 divisors, whose sum is σ = 22512500514. Its totient is φ = 22512500512.

The previous prime is 22512500503. The next prime is 22512500537. The reversal of 22512500513 is 31500521522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21965314849 + 547185664 = 148207^2 + 23392^2 .

It is a cyclic number.

It is not a de Polignac number, because 22512500513 - 2¹⁰ = 22512499489 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22512500503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11256250256 + 11256250257.

It is an arithmetic number, because the mean of its divisors is an integer number (11256250257).

Almost surely, 2^22512500513 is an apocalyptic number.

It is an amenable number.

22512500513 is a deficient number, since it is larger than the sum of its proper divisors (1).

22512500513 is an equidigital number, since it uses as much as digits as its factorization.

22512500513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 22512500513 in words is "twenty-two billion, five hundred twelve million, five hundred thousand, five hundred thirteen".