575404381 has 2 divisors, whose sum is σ = 575404382. Its totient is φ = 575404380.

The previous prime is 575404339. The next prime is 575404391. The reversal of 575404381 is 183404575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316484100 + 258920281 = 17790^2 + 16091^2 .

It is a cyclic number.

It is not a de Polignac number, because 575404381 - 2²⁷ = 441186653 is a prime.

It is a super-2 number, since 2×575404381² = 662180403347986322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 575404381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (575404331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287702190 + 287702191.

It is an arithmetic number, because the mean of its divisors is an integer number (287702191).

Almost surely, 2^575404381 is an apocalyptic number.

It is an amenable number.

575404381 is a deficient number, since it is larger than the sum of its proper divisors (1).

575404381 is an equidigital number, since it uses as much as digits as its factorization.

575404381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 575404381 is about 23987.5880613287. The cubic root of 575404381 is about 831.7466392352.

The spelling of 575404381 in words is "five hundred seventy-five million, four hundred four thousand, three hundred eighty-one".