597031397 has 2 divisors, whose sum is σ = 597031398. Its totient is φ = 597031396.

The previous prime is 597031289. The next prime is 597031417. The reversal of 597031397 is 793130795.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 381264676 + 215766721 = 19526^2 + 14689^2 .

It is a cyclic number.

It is not a de Polignac number, because 597031397 - 2¹⁰ = 597030373 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 (597831397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 298515698 + 298515699.

It is an arithmetic number, because the mean of its divisors is an integer number (298515699).

Almost surely, 2^597031397 is an apocalyptic number.

It is an amenable number.

597031397 is a deficient number, since it is larger than the sum of its proper divisors (1).

597031397 is an equidigital number, since it uses as much as digits as its factorization.

597031397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 178605, while the sum is 44.

The square root of 597031397 is about 24434.2259341277. The cubic root of 597031397 is about 842.0393555891.

The spelling of 597031397 in words is "five hundred ninety-seven million, thirty-one thousand, three hundred ninety-seven".