557201 has 2 divisors, whose sum is σ = 557202. Its totient is φ = 557200.

The previous prime is 557197. The next prime is 557261. The reversal of 557201 is 102755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330625 + 226576 = 575^2 + 476^2 .

It is a cyclic number.

It is not a de Polignac number, because 557201 - 2² = 557197 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (557261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278600 + 278601.

It is an arithmetic number, because the mean of its divisors is an integer number (278601).

2⁵⁵⁷²⁰¹ is an apocalyptic number.

It is an amenable number.

557201 is a deficient number, since it is larger than the sum of its proper divisors (1).

557201 is an equidigital number, since it uses as much as digits as its factorization.

557201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 557201 is about 746.4589740903. The cubic root of 557201 is about 82.2881494482.

Adding to 557201 its reverse (102755), we get a palindrome (659956).

The spelling of 557201 in words is "five hundred fifty-seven thousand, two hundred one".