572649 has 32 divisors (see below), whose sum is σ = 992256. Its totient is φ = 285120.

The previous prime is 572639. The next prime is 572651. The reversal of 572649 is 946275.

It is not a de Polignac number, because 572649 - 2⁴ = 572633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (572609) 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 in 31 ways as a sum of consecutive naturals, for example, 8514 + ... + 8580.

It is an arithmetic number, because the mean of its divisors is an integer number (31008).

2⁵⁷²⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

572649 is a deficient number, since it is larger than the sum of its proper divisors (419607).

572649 is a wasteful number, since it uses less digits than its factorization.

572649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125.

The product of its digits is 15120, while the sum is 33.

The square root of 572649 is about 756.7357530869. The cubic root of 572649 is about 83.0416880627.

It can be divided in two parts, 5726 and 49, that added together give a palindrome (5775).

The spelling of 572649 in words is "five hundred seventy-two thousand, six hundred forty-nine".