556627 has 2 divisors, whose sum is σ = 556628. Its totient is φ = 556626.

The previous prime is 556613. The next prime is 556639. The reversal of 556627 is 726655.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556627 is a prime.

It is a Chen prime.

556627 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (556607) 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, 278313 + 278314.

It is an arithmetic number, because the mean of its divisors is an integer number (278314).

2⁵⁵⁶⁶²⁷ is an apocalyptic number.

556627 is a deficient number, since it is larger than the sum of its proper divisors (1).

556627 is an equidigital number, since it uses as much as digits as its factorization.

556627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 31.

The square root of 556627 is about 746.0743930735. The cubic root of 556627 is about 82.2598833909.

The spelling of 556627 in words is "five hundred fifty-six thousand, six hundred twenty-seven".