557621041 has 2 divisors, whose sum is σ = 557621042. Its totient is φ = 557621040.

The previous prime is 557621017. The next prime is 557621083. The reversal of 557621041 is 140126755.

557621041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349540416 + 208080625 = 18696^2 + 14425^2 .

It is a cyclic number.

It is not a de Polignac number, because 557621041 - 2¹¹ = 557618993 is a prime.

It is equal to p_29224066 and since 557621041 and 29224066 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 557620994 and 557621012.

It is not a weakly prime, because it can be changed into another prime (557621341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278810520 + 278810521.

It is an arithmetic number, because the mean of its divisors is an integer number (278810521).

Almost surely, 2^557621041 is an apocalyptic number.

It is an amenable number.

557621041 is a deficient number, since it is larger than the sum of its proper divisors (1).

557621041 is an equidigital number, since it uses as much as digits as its factorization.

557621041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 557621041 is about 23614.0009528246. Note that the first 3 decimals coincide. The cubic root of 557621041 is about 823.0882165020.

Adding to 557621041 its reverse (140126755), we get a palindrome (697747796).

The spelling of 557621041 in words is "five hundred fifty-seven million, six hundred twenty-one thousand, forty-one".