52351515239 has 2 divisors, whose sum is σ = 52351515240. Its totient is φ = 52351515238.

The previous prime is 52351515193. The next prime is 52351515289. The reversal of 52351515239 is 93251515325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52351515239 - 2⁸ = 52351514983 is a prime.

It is a super-2 number, since 2×52351515239² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52351515196 and 52351515205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52351515289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26175757619 + 26175757620.

It is an arithmetic number, because the mean of its divisors is an integer number (26175757620).

Almost surely, 2^52351515239 is an apocalyptic number.

52351515239 is a deficient number, since it is larger than the sum of its proper divisors (1).

52351515239 is an equidigital number, since it uses as much as digits as its factorization.

52351515239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 202500, while the sum is 41.

The spelling of 52351515239 in words is "fifty-two billion, three hundred fifty-one million, five hundred fifteen thousand, two hundred thirty-nine".