575649 has 12 divisors (see below), whose sum is σ = 838656. Its totient is φ = 380472.

The previous prime is 575647. The next prime is 575651. The reversal of 575649 is 946575.

575649 is a `hidden beast` number, since 5 + 7 + 5 + 649 = 666.

575649 is nontrivially palindromic in base 7.

It is an interprime number because it is at equal distance from previous prime (575647) and next prime (575651).

It is not a de Polignac number, because 575649 - 2¹ = 575647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (575647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1312 + ... + 1694.

It is an arithmetic number, because the mean of its divisors is an integer number (69888).

2⁵⁷⁵⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

575649 is a deficient number, since it is larger than the sum of its proper divisors (263007).

575649 is a wasteful number, since it uses less digits than its factorization.

575649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 553 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 575649 is about 758.7153616476. The cubic root of 575649 is about 83.1864488069.

The spelling of 575649 in words is "five hundred seventy-five thousand, six hundred forty-nine".