556327 has 2 divisors, whose sum is σ = 556328. Its totient is φ = 556326.

The previous prime is 556321. The next prime is 556331. The reversal of 556327 is 723655.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556327 is a prime.

It is an Ulam number.

It is equal to p₄₅₇₉₃ and since 556327 and 45793 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 = 556295 and 556304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556321) 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, 278163 + 278164.

It is an arithmetic number, because the mean of its divisors is an integer number (278164).

2⁵⁵⁶³²⁷ is an apocalyptic number.

556327 is a deficient number, since it is larger than the sum of its proper divisors (1).

556327 is an equidigital number, since it uses as much as digits as its factorization.

556327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 28.

The square root of 556327 is about 745.8733136398. The cubic root of 556327 is about 82.2451024575.

The spelling of 556327 in words is "five hundred fifty-six thousand, three hundred twenty-seven".