105698213 has 2 divisors, whose sum is σ = 105698214. Its totient is φ = 105698212.

The previous prime is 105698191. The next prime is 105698227. The reversal of 105698213 is 312896501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103897249 + 1800964 = 10193^2 + 1342^2 .

It is an emirp because it is prime and its reverse (312896501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105698213 - 2⁶ = 105698149 is a prime.

It is a super-2 number, since 2×105698213² = 22344224462786738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105698413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52849106 + 52849107.

It is an arithmetic number, because the mean of its divisors is an integer number (52849107).

Almost surely, 2^105698213 is an apocalyptic number.

It is an amenable number.

105698213 is a deficient number, since it is larger than the sum of its proper divisors (1).

105698213 is an equidigital number, since it uses as much as digits as its factorization.

105698213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 105698213 is about 10280.9636221514. The cubic root of 105698213 is about 472.8127887957.

The spelling of 105698213 in words is "one hundred five million, six hundred ninety-eight thousand, two hundred thirteen".