557365541 has 2 divisors, whose sum is σ = 557365542. Its totient is φ = 557365540.

The previous prime is 557365517. The next prime is 557365547. The reversal of 557365541 is 145563755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 314317441 + 243048100 = 17729^2 + 15590^2 .

It is a cyclic number.

It is not a de Polignac number, because 557365541 - 2⁶ = 557365477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557365547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278682770 + 278682771.

It is an arithmetic number, because the mean of its divisors is an integer number (278682771).

Almost surely, 2^557365541 is an apocalyptic number.

It is an amenable number.

557365541 is a deficient number, since it is larger than the sum of its proper divisors (1).

557365541 is an equidigital number, since it uses as much as digits as its factorization.

557365541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 315000, while the sum is 41.

The square root of 557365541 is about 23608.5904068837. The cubic root of 557365541 is about 822.9624852547.

The spelling of 557365541 in words is "five hundred fifty-seven million, three hundred sixty-five thousand, five hundred forty-one".