109253213 has 2 divisors, whose sum is σ = 109253214. Its totient is φ = 109253212.

The previous prime is 109253143. The next prime is 109253231. The reversal of 109253213 is 312352901.

Together with next prime (109253231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65983129 + 43270084 = 8123^2 + 6578^2 .

It is a cyclic number.

It is not a de Polignac number, because 109253213 - 2¹⁰ = 109252189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109253293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54626606 + 54626607.

It is an arithmetic number, because the mean of its divisors is an integer number (54626607).

Almost surely, 2^109253213 is an apocalyptic number.

It is an amenable number.

109253213 is a deficient number, since it is larger than the sum of its proper divisors (1).

109253213 is an equidigital number, since it uses as much as digits as its factorization.

109253213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 109253213 is about 10452.4261776872. The cubic root of 109253213 is about 478.0552287043.

The spelling of 109253213 in words is "one hundred nine million, two hundred fifty-three thousand, two hundred thirteen".