214560317 has 2 divisors, whose sum is σ = 214560318. Its totient is φ = 214560316.

The previous prime is 214560253. The next prime is 214560329. The reversal of 214560317 is 713065412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108284836 + 106275481 = 10406^2 + 10309^2 .

It is a cyclic number.

It is not a de Polignac number, because 214560317 - 2⁶ = 214560253 is a prime.

It is a super-2 number, since 2×214560317² = 92072259262280978, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214560317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214560917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107280158 + 107280159.

It is an arithmetic number, because the mean of its divisors is an integer number (107280159).

Almost surely, 2^214560317 is an apocalyptic number.

It is an amenable number.

214560317 is a deficient number, since it is larger than the sum of its proper divisors (1).

214560317 is an equidigital number, since it uses as much as digits as its factorization.

214560317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 214560317 is about 14647.8775595647. The cubic root of 214560317 is about 598.6639875109.

The spelling of 214560317 in words is "two hundred fourteen million, five hundred sixty thousand, three hundred seventeen".