52997713 has 2 divisors, whose sum is σ = 52997714. Its totient is φ = 52997712.

The previous prime is 52997677. The next prime is 52997719. The reversal of 52997713 is 31779925.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52823824 + 173889 = 7268^2 + 417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52997713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52997713.

It is not a weakly prime, because it can be changed into another prime (52997719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26498856 + 26498857.

It is an arithmetic number, because the mean of its divisors is an integer number (26498857).

Almost surely, 2^52997713 is an apocalyptic number.

It is an amenable number.

52997713 is a deficient number, since it is larger than the sum of its proper divisors (1).

52997713 is an equidigital number, since it uses as much as digits as its factorization.

52997713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119070, while the sum is 43.

The square root of 52997713 is about 7279.9528157812. The cubic root of 52997713 is about 375.6231724353.

The spelling of 52997713 in words is "fifty-two million, nine hundred ninety-seven thousand, seven hundred thirteen".