575400557 has 2 divisors, whose sum is σ = 575400558. Its totient is φ = 575400556.

The previous prime is 575400523. The next prime is 575400593. The reversal of 575400557 is 755004575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 575328196 + 72361 = 23986^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 575400557 - 2⁶ = 575400493 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 575400557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (575400457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287700278 + 287700279.

It is an arithmetic number, because the mean of its divisors is an integer number (287700279).

Almost surely, 2^575400557 is an apocalyptic number.

It is an amenable number.

575400557 is a deficient number, since it is larger than the sum of its proper divisors (1).

575400557 is an equidigital number, since it uses as much as digits as its factorization.

575400557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122500, while the sum is 38.

The square root of 575400557 is about 23987.5083533076. The cubic root of 575400557 is about 831.7447967013.

The spelling of 575400557 in words is "five hundred seventy-five million, four hundred thousand, five hundred fifty-seven".