556194313 has 2 divisors, whose sum is σ = 556194314. Its totient is φ = 556194312.

The previous prime is 556194307. The next prime is 556194337. The reversal of 556194313 is 313491655.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 461949049 + 94245264 = 21493^2 + 9708^2 .

It is a cyclic number.

It is not a de Polignac number, because 556194313 - 2¹⁷ = 556063241 is a prime.

It is a super-2 number, since 2×556194313² = 618704227627083938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (556194383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278097156 + 278097157.

It is an arithmetic number, because the mean of its divisors is an integer number (278097157).

Almost surely, 2^556194313 is an apocalyptic number.

It is an amenable number.

556194313 is a deficient number, since it is larger than the sum of its proper divisors (1).

556194313 is an equidigital number, since it uses as much as digits as its factorization.

556194313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 37.

The square root of 556194313 is about 23583.7722385542. The cubic root of 556194313 is about 822.3856330360.

The spelling of 556194313 in words is "five hundred fifty-six million, one hundred ninety-four thousand, three hundred thirteen".