572749 has 2 divisors, whose sum is σ = 572750. Its totient is φ = 572748.

The previous prime is 572711. The next prime is 572777. The reversal of 572749 is 947275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499849 + 72900 = 707^2 + 270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-572749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (572449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286374 + 286375.

It is an arithmetic number, because the mean of its divisors is an integer number (286375).

2⁵⁷²⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

572749 is a deficient number, since it is larger than the sum of its proper divisors (1).

572749 is an equidigital number, since it uses as much as digits as its factorization.

572749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 34.

The square root of 572749 is about 756.8018234650. The cubic root of 572749 is about 83.0465215561.

It can be divided in two parts, 5727 and 49, that added together give a square (5776 = 76²).

The spelling of 572749 in words is "five hundred seventy-two thousand, seven hundred forty-nine".