574657 has 2 divisors, whose sum is σ = 574658. Its totient is φ = 574656.

The previous prime is 574643. The next prime is 574667. The reversal of 574657 is 756475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 512656 + 62001 = 716^2 + 249^2 .

It is a cyclic number.

It is not a de Polignac number, because 574657 - 2⁷ = 574529 is a prime.

574657 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (574627) 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 as a sum of consecutive naturals, namely, 287328 + 287329.

It is an arithmetic number, because the mean of its divisors is an integer number (287329).

2⁵⁷⁴⁶⁵⁷ is an apocalyptic number.

It is an amenable number.

574657 is a deficient number, since it is larger than the sum of its proper divisors (1).

574657 is an equidigital number, since it uses as much as digits as its factorization.

574657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29400, while the sum is 34.

The square root of 574657 is about 758.0613431643. The cubic root of 574657 is about 83.1386370300.

The spelling of 574657 in words is "five hundred seventy-four thousand, six hundred fifty-seven".