113532213 has 16 divisors (see below), whose sum is σ = 155102976. Its totient is φ = 73835520.

The previous prime is 113532203. The next prime is 113532217. The reversal of 113532213 is 312235311.

It is not a de Polignac number, because 113532213 - 2⁴ = 113532197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113532213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113532217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48633 + ... + 50913.

It is an arithmetic number, because the mean of its divisors is an integer number (9693936).

Almost surely, 2^113532213 is an apocalyptic number.

It is an amenable number.

113532213 is a deficient number, since it is larger than the sum of its proper divisors (41570763).

113532213 is a wasteful number, since it uses less digits than its factorization.

113532213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684.

The product of its digits is 540, while the sum is 21.

The square root of 113532213 is about 10655.1496000760. The cubic root of 113532213 is about 484.2166303095.

Adding to 113532213 its reverse (312235311), we get a palindrome (425767524).

The spelling of 113532213 in words is "one hundred thirteen million, five hundred thirty-two thousand, two hundred thirteen".