214563967 has 2 divisors, whose sum is σ = 214563968. Its totient is φ = 214563966.

The previous prime is 214563911. The next prime is 214563971. The reversal of 214563967 is 769365412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214563967 - 2¹⁵ = 214531199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214563907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107281983 + 107281984.

It is an arithmetic number, because the mean of its divisors is an integer number (107281984).

Almost surely, 2^214563967 is an apocalyptic number.

214563967 is a deficient number, since it is larger than the sum of its proper divisors (1).

214563967 is an equidigital number, since it uses as much as digits as its factorization.

214563967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 214563967 is about 14648.0021504641. The cubic root of 214563967 is about 598.6673822225.

The spelling of 214563967 in words is "two hundred fourteen million, five hundred sixty-three thousand, nine hundred sixty-seven".