53213526013 has 2 divisors, whose sum is σ = 53213526014. Its totient is φ = 53213526012.

The previous prime is 53213526001. The next prime is 53213526019. The reversal of 53213526013 is 31062531235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36323404569 + 16890121444 = 190587^2 + 129962^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53213526013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53213526019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26606763006 + 26606763007.

It is an arithmetic number, because the mean of its divisors is an integer number (26606763007).

Almost surely, 2^53213526013 is an apocalyptic number.

It is an amenable number.

53213526013 is a deficient number, since it is larger than the sum of its proper divisors (1).

53213526013 is an equidigital number, since it uses as much as digits as its factorization.

53213526013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 53213526013 in words is "fifty-three billion, two hundred thirteen million, five hundred twenty-six thousand, thirteen".