115037213 has 2 divisors, whose sum is σ = 115037214. Its totient is φ = 115037212.

The previous prime is 115037207. The next prime is 115037233. The reversal of 115037213 is 312730511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109453444 + 5583769 = 10462^2 + 2363^2 .

It is a cyclic number.

It is not a de Polignac number, because 115037213 - 2⁶ = 115037149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115037233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57518606 + 57518607.

It is an arithmetic number, because the mean of its divisors is an integer number (57518607).

Almost surely, 2^115037213 is an apocalyptic number.

It is an amenable number.

115037213 is a deficient number, since it is larger than the sum of its proper divisors (1).

115037213 is an equidigital number, since it uses as much as digits as its factorization.

115037213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 115037213 is about 10725.5402194948. The cubic root of 115037213 is about 486.3468610004.

Adding to 115037213 its reverse (312730511), we get a palindrome (427767724).

The spelling of 115037213 in words is "one hundred fifteen million, thirty-seven thousand, two hundred thirteen".