576997 has 4 divisors (see below), whose sum is σ = 610956. Its totient is φ = 543040.

The previous prime is 576977. The next prime is 577007. The reversal of 576997 is 799675.

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 370881 + 206116 = 609^2 + 454^2 .

It is a cyclic number.

It is not a de Polignac number, because 576997 - 2¹¹ = 574949 is a prime.

It is a Duffinian number.

576997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (576967) 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 3 ways as a sum of consecutive naturals, for example, 16954 + ... + 16987.

It is an arithmetic number, because the mean of its divisors is an integer number (152739).

2⁵⁷⁶⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

576997 is a deficient number, since it is larger than the sum of its proper divisors (33959).

576997 is a wasteful number, since it uses less digits than its factorization.

576997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33958.

The product of its digits is 119070, while the sum is 43.

The square root of 576997 is about 759.6031858806. The cubic root of 576997 is about 83.2513308892.

The spelling of 576997 in words is "five hundred seventy-six thousand, nine hundred ninety-seven".