115766213 has 4 divisors (see below), whose sum is σ = 116285568. Its totient is φ = 115246860.

The previous prime is 115766207. The next prime is 115766239. The reversal of 115766213 is 312667511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115766213 - 2⁴ = 115766197 is a prime.

It is a super-2 number, since 2×115766213² = 26803632144722738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115766213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115766263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259343 + ... + 259788.

It is an arithmetic number, because the mean of its divisors is an integer number (29071392).

Almost surely, 2^115766213 is an apocalyptic number.

It is an amenable number.

115766213 is a deficient number, since it is larger than the sum of its proper divisors (519355).

115766213 is an equidigital number, since it uses as much as digits as its factorization.

115766213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519354.

The product of its digits is 7560, while the sum is 32.

The square root of 115766213 is about 10759.4708513012. The cubic root of 115766213 is about 487.3720381220.

The spelling of 115766213 in words is "one hundred fifteen million, seven hundred sixty-six thousand, two hundred thirteen".