52510215413 has 2 divisors, whose sum is σ = 52510215414. Its totient is φ = 52510215412.

The previous prime is 52510215361. The next prime is 52510215467. The reversal of 52510215413 is 31451201525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48543986929 + 3966228484 = 220327^2 + 62978^2 .

It is a cyclic number.

It is not a de Polignac number, because 52510215413 - 2⁸ = 52510215157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52510215913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26255107706 + 26255107707.

It is an arithmetic number, because the mean of its divisors is an integer number (26255107707).

Almost surely, 2^52510215413 is an apocalyptic number.

It is an amenable number.

52510215413 is a deficient number, since it is larger than the sum of its proper divisors (1).

52510215413 is an equidigital number, since it uses as much as digits as its factorization.

52510215413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 52510215413 its reverse (31451201525), we get a palindrome (83961416938).

The spelling of 52510215413 in words is "fifty-two billion, five hundred ten million, two hundred fifteen thousand, four hundred thirteen".