797531597 has 2 divisors, whose sum is σ = 797531598. Its totient is φ = 797531596.

The previous prime is 797531573. The next prime is 797531611. The reversal of 797531597 is 795135797.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 405055876 + 392475721 = 20126^2 + 19811^2 .

It is an emirp because it is prime and its reverse (795135797) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 797531597 - 2¹⁸ = 797269453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797531797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398765798 + 398765799.

It is an arithmetic number, because the mean of its divisors is an integer number (398765799).

Almost surely, 2^797531597 is an apocalyptic number.

It is an amenable number.

797531597 is a deficient number, since it is larger than the sum of its proper divisors (1).

797531597 is an equidigital number, since it uses as much as digits as its factorization.

797531597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2083725, while the sum is 53.

The square root of 797531597 is about 28240.6019234718. The cubic root of 797531597 is about 927.3620070640.

The spelling of 797531597 in words is "seven hundred ninety-seven million, five hundred thirty-one thousand, five hundred ninety-seven".