575347681 has 2 divisors, whose sum is σ = 575347682. Its totient is φ = 575347680.

The previous prime is 575347649. The next prime is 575347723. The reversal of 575347681 is 186743575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 404653456 + 170694225 = 20116^2 + 13065^2 .

It is a cyclic number.

It is not a de Polignac number, because 575347681 - 2⁵ = 575347649 is a prime.

It is a super-2 number, since 2×575347681² = 662049908064155522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (575347481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287673840 + 287673841.

It is an arithmetic number, because the mean of its divisors is an integer number (287673841).

Almost surely, 2^575347681 is an apocalyptic number.

It is an amenable number.

575347681 is a deficient number, since it is larger than the sum of its proper divisors (1).

575347681 is an equidigital number, since it uses as much as digits as its factorization.

575347681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 46.

The square root of 575347681 is about 23986.4061709961. The cubic root of 575347681 is about 831.7193184007.

The spelling of 575347681 in words is "five hundred seventy-five million, three hundred forty-seven thousand, six hundred eighty-one".