575227561 has 2 divisors, whose sum is σ = 575227562. Its totient is φ = 575227560.

The previous prime is 575227547. The next prime is 575227571. The reversal of 575227561 is 165722575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 435515161 + 139712400 = 20869^2 + 11820^2 .

It is a cyclic number.

It is not a de Polignac number, because 575227561 - 2⁵ = 575227529 is a prime.

It is not a weakly prime, because it can be changed into another prime (575227531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287613780 + 287613781.

It is an arithmetic number, because the mean of its divisors is an integer number (287613781).

Almost surely, 2^575227561 is an apocalyptic number.

It is an amenable number.

575227561 is a deficient number, since it is larger than the sum of its proper divisors (1).

575227561 is an equidigital number, since it uses as much as digits as its factorization.

575227561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147000, while the sum is 40.

The square root of 575227561 is about 23983.9021220484. The cubic root of 575227561 is about 831.6614327770.

The spelling of 575227561 in words is "five hundred seventy-five million, two hundred twenty-seven thousand, five hundred sixty-one".