214537117 has 2 divisors, whose sum is σ = 214537118. Its totient is φ = 214537116.

The previous prime is 214537111. The next prime is 214537153. The reversal of 214537117 is 711735412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214153956 + 383161 = 14634^2 + 619^2 .

It is a cyclic number.

It is not a de Polignac number, because 214537117 - 2³ = 214537109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214537111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107268558 + 107268559.

It is an arithmetic number, because the mean of its divisors is an integer number (107268559).

Almost surely, 2^214537117 is an apocalyptic number.

It is an amenable number.

214537117 is a deficient number, since it is larger than the sum of its proper divisors (1).

214537117 is an equidigital number, since it uses as much as digits as its factorization.

214537117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880, while the sum is 31.

The square root of 214537117 is about 14647.0856145514. The cubic root of 214537117 is about 598.6424092661.

The spelling of 214537117 in words is "two hundred fourteen million, five hundred thirty-seven thousand, one hundred seventeen".