52751326513 has 2 divisors, whose sum is σ = 52751326514. Its totient is φ = 52751326512.

The previous prime is 52751326471. The next prime is 52751326517. The reversal of 52751326513 is 31562315725.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44313618064 + 8437708449 = 210508^2 + 91857^2 .

It is a cyclic number.

It is not a de Polignac number, because 52751326513 - 2²¹ = 52749229361 is a prime.

It is a super-2 number, since 2×52751326513² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52751326517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26375663256 + 26375663257.

It is an arithmetic number, because the mean of its divisors is an integer number (26375663257).

Almost surely, 2^52751326513 is an apocalyptic number.

It is an amenable number.

52751326513 is a deficient number, since it is larger than the sum of its proper divisors (1).

52751326513 is an equidigital number, since it uses as much as digits as its factorization.

52751326513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189000, while the sum is 40.

The spelling of 52751326513 in words is "fifty-two billion, seven hundred fifty-one million, three hundred twenty-six thousand, five hundred thirteen".