214256563 has 2 divisors, whose sum is σ = 214256564. Its totient is φ = 214256562.

The previous prime is 214256551. The next prime is 214256621. The reversal of 214256563 is 365652412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214256563 is a prime.

It is not a weakly prime, because it can be changed into another prime (214256513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107128281 + 107128282.

It is an arithmetic number, because the mean of its divisors is an integer number (107128282).

Almost surely, 2^214256563 is an apocalyptic number.

214256563 is a deficient number, since it is larger than the sum of its proper divisors (1).

214256563 is an equidigital number, since it uses as much as digits as its factorization.

214256563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 34.

The square root of 214256563 is about 14637.5053543970. The cubic root of 214256563 is about 598.3813436611.

The spelling of 214256563 in words is "two hundred fourteen million, two hundred fifty-six thousand, five hundred sixty-three".