913886213 has 2 divisors, whose sum is σ = 913886214. Its totient is φ = 913886212.

The previous prime is 913886161. The next prime is 913886243. The reversal of 913886213 is 312688319.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 710595649 + 203290564 = 26657^2 + 14258^2 .

It is an emirp because it is prime and its reverse (312688319) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-913886213 is a prime.

It is a super-2 number, since 2×913886213² = 1670376020622962738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (913886243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456943106 + 456943107.

It is an arithmetic number, because the mean of its divisors is an integer number (456943107).

Almost surely, 2^913886213 is an apocalyptic number.

It is an amenable number.

913886213 is a deficient number, since it is larger than the sum of its proper divisors (1).

913886213 is an equidigital number, since it uses as much as digits as its factorization.

913886213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The square root of 913886213 is about 30230.5509873704. The cubic root of 913886213 is about 970.4296155537.

The spelling of 913886213 in words is "nine hundred thirteen million, eight hundred eighty-six thousand, two hundred thirteen".