557845201 has 2 divisors, whose sum is σ = 557845202. Its totient is φ = 557845200.

The previous prime is 557845163. The next prime is 557845213. The reversal of 557845201 is 102548755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 406062801 + 151782400 = 20151^2 + 12320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557845201 is a prime.

It is a super-2 number, since 2×557845201² = 622382536557460802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (557845261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278922600 + 278922601.

It is an arithmetic number, because the mean of its divisors is an integer number (278922601).

Almost surely, 2^557845201 is an apocalyptic number.

It is an amenable number.

557845201 is a deficient number, since it is larger than the sum of its proper divisors (1).

557845201 is an equidigital number, since it uses as much as digits as its factorization.

557845201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56000, while the sum is 37.

The square root of 557845201 is about 23618.7468126486. The cubic root of 557845201 is about 823.1984937473.

The spelling of 557845201 in words is "five hundred fifty-seven million, eight hundred forty-five thousand, two hundred one".