575311481 has 2 divisors, whose sum is σ = 575311482. Its totient is φ = 575311480.

The previous prime is 575311459. The next prime is 575311487. The reversal of 575311481 is 184113575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 574081600 + 1229881 = 23960^2 + 1109^2 .

It is a cyclic number.

It is not a de Polignac number, because 575311481 - 2¹⁸ = 575049337 is a prime.

It is a super-2 number, since 2×575311481² = 661966600340826722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (575311487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287655740 + 287655741.

It is an arithmetic number, because the mean of its divisors is an integer number (287655741).

Almost surely, 2^575311481 is an apocalyptic number.

It is an amenable number.

575311481 is a deficient number, since it is larger than the sum of its proper divisors (1).

575311481 is an equidigital number, since it uses as much as digits as its factorization.

575311481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 35.

The square root of 575311481 is about 23985.6515650503. The cubic root of 575311481 is about 831.7018745305.

The spelling of 575311481 in words is "five hundred seventy-five million, three hundred eleven thousand, four hundred eighty-one".