214086517 has 2 divisors, whose sum is σ = 214086518. Its totient is φ = 214086516.

The previous prime is 214086493. The next prime is 214086529. The reversal of 214086517 is 715680412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115799121 + 98287396 = 10761^2 + 9914^2 .

It is a cyclic number.

It is not a de Polignac number, because 214086517 - 2¹⁹ = 213562229 is a prime.

It is a super-2 number, since 2×214086517² = 91666073522382578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214084517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107043258 + 107043259.

It is an arithmetic number, because the mean of its divisors is an integer number (107043259).

Almost surely, 2^214086517 is an apocalyptic number.

It is an amenable number.

214086517 is a deficient number, since it is larger than the sum of its proper divisors (1).

214086517 is an equidigital number, since it uses as much as digits as its factorization.

214086517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 214086517 is about 14631.6956296938. The cubic root of 214086517 is about 598.2229987883. Note that the first 3 decimals are identical.

The spelling of 214086517 in words is "two hundred fourteen million, eighty-six thousand, five hundred seventeen".