557461 has 2 divisors, whose sum is σ = 557462. Its totient is φ = 557460.

The previous prime is 557449. The next prime is 557483. The reversal of 557461 is 164755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 504100 + 53361 = 710^2 + 231^2 .

It is a cyclic number.

It is not a de Polignac number, because 557461 - 2¹⁷ = 426389 is a prime.

It is a Chen prime.

557461 is a lucky number.

It is equal to p₄₅₈₈₃ and since 557461 and 45883 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

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 (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278730 + 278731.

It is an arithmetic number, because the mean of its divisors is an integer number (278731).

2⁵⁵⁷⁴⁶¹ is an apocalyptic number.

It is an amenable number.

557461 is a deficient number, since it is larger than the sum of its proper divisors (1).

557461 is an equidigital number, since it uses as much as digits as its factorization.

557461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 28.

The square root of 557461 is about 746.6331093650. The cubic root of 557461 is about 82.3009465011.

The spelling of 557461 in words is "five hundred fifty-seven thousand, four hundred sixty-one".