572750257 has 2 divisors, whose sum is σ = 572750258. Its totient is φ = 572750256.

The previous prime is 572750221. The next prime is 572750267. The reversal of 572750257 is 752057275.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414896161 + 157854096 = 20369^2 + 12564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-572750257 is a prime.

It is not a weakly prime, because it can be changed into another prime (572750267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286375128 + 286375129.

It is an arithmetic number, because the mean of its divisors is an integer number (286375129).

Almost surely, 2^572750257 is an apocalyptic number.

It is an amenable number.

572750257 is a deficient number, since it is larger than the sum of its proper divisors (1).

572750257 is an equidigital number, since it uses as much as digits as its factorization.

572750257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 171500, while the sum is 40.

The square root of 572750257 is about 23932.2012568840. The cubic root of 572750257 is about 830.4658230952.

The spelling of 572750257 in words is "five hundred seventy-two million, seven hundred fifty thousand, two hundred fifty-seven".