575663993 has 2 divisors, whose sum is σ = 575663994. Its totient is φ = 575663992.

The previous prime is 575663981. The next prime is 575664029. The reversal of 575663993 is 399366575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 538843369 + 36820624 = 23213^2 + 6068^2 .

It is a cyclic number.

It is not a de Polignac number, because 575663993 - 2⁶ = 575663929 is a prime.

It is not a weakly prime, because it can be changed into another prime (575663093) 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, 287831996 + 287831997.

It is an arithmetic number, because the mean of its divisors is an integer number (287831997).

Almost surely, 2^575663993 is an apocalyptic number.

It is an amenable number.

575663993 is a deficient number, since it is larger than the sum of its proper divisors (1).

575663993 is an equidigital number, since it uses as much as digits as its factorization.

575663993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4592700, while the sum is 53.

The square root of 575663993 is about 23992.9988329929. The cubic root of 575663993 is about 831.8717100833.

The spelling of 575663993 in words is "five hundred seventy-five million, six hundred sixty-three thousand, nine hundred ninety-three".