214853917 has 2 divisors, whose sum is σ = 214853918. Its totient is φ = 214853916.

The previous prime is 214853893. The next prime is 214853927. The reversal of 214853917 is 719358412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160300921 + 54552996 = 12661^2 + 7386^2 .

It is a cyclic number.

It is not a de Polignac number, because 214853917 - 2²³ = 206465309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214853917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214853927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107426958 + 107426959.

It is an arithmetic number, because the mean of its divisors is an integer number (107426959).

Almost surely, 2^214853917 is an apocalyptic number.

It is an amenable number.

214853917 is a deficient number, since it is larger than the sum of its proper divisors (1).

214853917 is an equidigital number, since it uses as much as digits as its factorization.

214853917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 40.

The square root of 214853917 is about 14657.8960632145. The cubic root of 214853917 is about 598.9369296184.

It can be divided in two parts, 2148 and 53917, that added together give a palindrome (56065).

The spelling of 214853917 in words is "two hundred fourteen million, eight hundred fifty-three thousand, nine hundred seventeen".