115213 has 8 divisors (see below), whose sum is σ = 133760. Its totient is φ = 97200.

The previous prime is 115211. The next prime is 115223. The reversal of 115213 is 312511.

115213 is nontrivially palindromic in base 4.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115213 - 2¹ = 115211 is a prime.

It is a Duffinian number.

115213 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 115193 and 115202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688 + ... + 838.

It is an arithmetic number, because the mean of its divisors is an integer number (16720).

2¹¹⁵²¹³ is an apocalyptic number.

It is an amenable number.

115213 is a deficient number, since it is larger than the sum of its proper divisors (18547).

115213 is a wasteful number, since it uses less digits than its factorization.

115213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267.

The product of its digits is 30, while the sum is 13.

The square root of 115213 is about 339.4304052380. The cubic root of 115213 is about 48.6594461880.

Adding to 115213 its reverse (312511), we get a palindrome (427724).

The spelling of 115213 in words is "one hundred fifteen thousand, two hundred thirteen".