214317287 has 2 divisors, whose sum is σ = 214317288. Its totient is φ = 214317286.

The previous prime is 214317277. The next prime is 214317307. The reversal of 214317287 is 782713412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214317287 - 2¹⁴ = 214300903 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214317277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107158643 + 107158644.

It is an arithmetic number, because the mean of its divisors is an integer number (107158644).

Almost surely, 2^214317287 is an apocalyptic number.

214317287 is a deficient number, since it is larger than the sum of its proper divisors (1).

214317287 is an equidigital number, since it uses as much as digits as its factorization.

214317287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 35.

The square root of 214317287 is about 14639.5794680039. The cubic root of 214317287 is about 598.4378688475.

The spelling of 214317287 in words is "two hundred fourteen million, three hundred seventeen thousand, two hundred eighty-seven".