575199997 has 2 divisors, whose sum is σ = 575199998. Its totient is φ = 575199996.

The previous prime is 575199991. The next prime is 575200019. The reversal of 575199997 is 799991575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 363817476 + 211382521 = 19074^2 + 14539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-575199997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (575199991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287599998 + 287599999.

It is an arithmetic number, because the mean of its divisors is an integer number (287599999).

Almost surely, 2^575199997 is an apocalyptic number.

It is an amenable number.

575199997 is a deficient number, since it is larger than the sum of its proper divisors (1).

575199997 is an equidigital number, since it uses as much as digits as its factorization.

575199997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8037225, while the sum is 61.

The square root of 575199997 is about 23983.3274797306. The cubic root of 575199997 is about 831.6481485956.

The spelling of 575199997 in words is "five hundred seventy-five million, one hundred ninety-nine thousand, nine hundred ninety-seven".