575521057 has 2 divisors, whose sum is σ = 575521058. Its totient is φ = 575521056.

The previous prime is 575520991. The next prime is 575521109. The reversal of 575521057 is 750125575.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 538054416 + 37466641 = 23196^2 + 6121^2 .

It is a cyclic number.

It is not a de Polignac number, because 575521057 - 2⁷ = 575520929 is a prime.

It is not a weakly prime, because it can be changed into another prime (575521657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287760528 + 287760529.

It is an arithmetic number, because the mean of its divisors is an integer number (287760529).

Almost surely, 2^575521057 is an apocalyptic number.

It is an amenable number.

575521057 is a deficient number, since it is larger than the sum of its proper divisors (1).

575521057 is an equidigital number, since it uses as much as digits as its factorization.

575521057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61250, while the sum is 37.

The square root of 575521057 is about 23990.0199458025. The cubic root of 575521057 is about 831.8028537952.

The spelling of 575521057 in words is "five hundred seventy-five million, five hundred twenty-one thousand, fifty-seven".