572161 has 2 divisors, whose sum is σ = 572162. Its totient is φ = 572160.

The previous prime is 572137. The next prime is 572177. The reversal of 572161 is 161275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 571536 + 625 = 756^2 + 25^2 .

It is a cyclic number.

It is not a de Polignac number, because 572161 - 2¹¹ = 570113 is a prime.

It is not a weakly prime, because it can be changed into another prime (572461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286080 + 286081.

It is an arithmetic number, because the mean of its divisors is an integer number (286081).

2⁵⁷²¹⁶¹ is an apocalyptic number.

It is an amenable number.

572161 is a deficient number, since it is larger than the sum of its proper divisors (1).

572161 is an equidigital number, since it uses as much as digits as its factorization.

572161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420, while the sum is 22.

The square root of 572161 is about 756.4132468433. The cubic root of 572161 is about 83.0180925382.

The spelling of 572161 in words is "five hundred seventy-two thousand, one hundred sixty-one".