557351213 has 2 divisors, whose sum is σ = 557351214. Its totient is φ = 557351212.

The previous prime is 557351191. The next prime is 557351243. The reversal of 557351213 is 312153755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 293711044 + 263640169 = 17138^2 + 16237^2 .

It is a cyclic number.

It is not a de Polignac number, because 557351213 - 2¹² = 557347117 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 557351213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557351243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278675606 + 278675607.

It is an arithmetic number, because the mean of its divisors is an integer number (278675607).

Almost surely, 2^557351213 is an apocalyptic number.

It is an amenable number.

557351213 is a deficient number, since it is larger than the sum of its proper divisors (1).

557351213 is an equidigital number, since it uses as much as digits as its factorization.

557351213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15750, while the sum is 32.

The square root of 557351213 is about 23608.2869560669. The cubic root of 557351213 is about 822.9554333252.

The spelling of 557351213 in words is "five hundred fifty-seven million, three hundred fifty-one thousand, two hundred thirteen".