572870261 has 2 divisors, whose sum is σ = 572870262. Its totient is φ = 572870260.

The previous prime is 572870257. The next prime is 572870299. The reversal of 572870261 is 162078275.

It is an a-pointer prime, because the next prime (572870299) can be obtained adding 572870261 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313467025 + 259403236 = 17705^2 + 16106^2 .

It is a cyclic number.

It is not a de Polignac number, because 572870261 - 2² = 572870257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (572870231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286435130 + 286435131.

It is an arithmetic number, because the mean of its divisors is an integer number (286435131).

Almost surely, 2^572870261 is an apocalyptic number.

It is an amenable number.

572870261 is a deficient number, since it is larger than the sum of its proper divisors (1).

572870261 is an equidigital number, since it uses as much as digits as its factorization.

572870261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 572870261 is about 23934.7082915167. The cubic root of 572870261 is about 830.5238194383.

The spelling of 572870261 in words is "five hundred seventy-two million, eight hundred seventy thousand, two hundred sixty-one".