52502313397 has 2 divisors, whose sum is σ = 52502313398. Its totient is φ = 52502313396.

The previous prime is 52502313373. The next prime is 52502313401. The reversal of 52502313397 is 79331320525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47353676881 + 5148636516 = 217609^2 + 71754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52502313397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52502373397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26251156698 + 26251156699.

It is an arithmetic number, because the mean of its divisors is an integer number (26251156699).

Almost surely, 2^52502313397 is an apocalyptic number.

It is an amenable number.

52502313397 is a deficient number, since it is larger than the sum of its proper divisors (1).

52502313397 is an equidigital number, since it uses as much as digits as its factorization.

52502313397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 40.

The spelling of 52502313397 in words is "fifty-two billion, five hundred two million, three hundred thirteen thousand, three hundred ninety-seven".