573705257 has 2 divisors, whose sum is σ = 573705258. Its totient is φ = 573705256.

The previous prime is 573705229. The next prime is 573705263. The reversal of 573705257 is 752507375.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 407192041 + 166513216 = 20179^2 + 12904^2 .

It is a cyclic number.

It is not a de Polignac number, because 573705257 - 2¹⁴ = 573688873 is a prime.

It is not a weakly prime, because it can be changed into another prime (573705277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286852628 + 286852629.

It is an arithmetic number, because the mean of its divisors is an integer number (286852629).

Almost surely, 2^573705257 is an apocalyptic number.

It is an amenable number.

573705257 is a deficient number, since it is larger than the sum of its proper divisors (1).

573705257 is an equidigital number, since it uses as much as digits as its factorization.

573705257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 257250, while the sum is 41.

The square root of 573705257 is about 23952.1451440158. The cubic root of 573705257 is about 830.9271378707.

The spelling of 573705257 in words is "five hundred seventy-three million, seven hundred five thousand, two hundred fifty-seven".