576641 has 4 divisors (see below), whose sum is σ = 621012. Its totient is φ = 532272.

The previous prime is 576637. The next prime is 576647. The reversal of 576641 is 146675.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 330625 + 246016 = 575^2 + 496^2 .

It is not a de Polignac number, because 576641 - 2² = 576637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (576647) 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 3 ways as a sum of consecutive naturals, for example, 22166 + ... + 22191.

It is an arithmetic number, because the mean of its divisors is an integer number (155253).

2⁵⁷⁶⁶⁴¹ is an apocalyptic number.

It is an amenable number.

576641 is a deficient number, since it is larger than the sum of its proper divisors (44371).

576641 is a wasteful number, since it uses less digits than its factorization.

576641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44370.

The product of its digits is 5040, while the sum is 29.

The square root of 576641 is about 759.3688168473. The cubic root of 576641 is about 83.2342056868.

The spelling of 576641 in words is "five hundred seventy-six thousand, six hundred forty-one".