557961241 has 2 divisors, whose sum is σ = 557961242. Its totient is φ = 557961240.

The previous prime is 557961227. The next prime is 557961311. The reversal of 557961241 is 142169755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 425803225 + 132158016 = 20635^2 + 11496^2 .

It is a cyclic number.

It is not a de Polignac number, because 557961241 - 2¹³ = 557953049 is a prime.

It is a super-2 number, since 2×557961241² = 622641492916520162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 557961194 and 557961203.

It is not a weakly prime, because it can be changed into another prime (557961211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278980620 + 278980621.

It is an arithmetic number, because the mean of its divisors is an integer number (278980621).

Almost surely, 2^557961241 is an apocalyptic number.

It is an amenable number.

557961241 is a deficient number, since it is larger than the sum of its proper divisors (1).

557961241 is an equidigital number, since it uses as much as digits as its factorization.

557961241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 40.

The square root of 557961241 is about 23621.2032081348. The cubic root of 557961241 is about 823.2555689182.

The spelling of 557961241 in words is "five hundred fifty-seven million, nine hundred sixty-one thousand, two hundred forty-one".