575128681 has 2 divisors, whose sum is σ = 575128682. Its totient is φ = 575128680.

The previous prime is 575128669. The next prime is 575128693. The reversal of 575128681 is 186821575.

It is a balanced prime because it is at equal distance from previous prime (575128669) and next prime (575128693).

It can be written as a sum of positive squares in only one way, i.e., 543589225 + 31539456 = 23315^2 + 5616^2 .

It is a cyclic number.

It is not a de Polignac number, because 575128681 - 2²³ = 566740073 is a prime.

It is a super-2 number, since 2×575128681² = 661545999417599522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (575128621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287564340 + 287564341.

It is an arithmetic number, because the mean of its divisors is an integer number (287564341).

Almost surely, 2^575128681 is an apocalyptic number.

It is an amenable number.

575128681 is a deficient number, since it is larger than the sum of its proper divisors (1).

575128681 is an equidigital number, since it uses as much as digits as its factorization.

575128681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 43.

The square root of 575128681 is about 23981.8406507924. The cubic root of 575128681 is about 831.6137766258.

The spelling of 575128681 in words is "five hundred seventy-five million, one hundred twenty-eight thousand, six hundred eighty-one".