113533532 has 48 divisors (see below), whose sum is σ = 236328960. Its totient is φ = 46699200.

The previous prime is 113533477. The next prime is 113533549. The reversal of 113533532 is 235335311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120182 + ... + 121122.

It is an arithmetic number, because the mean of its divisors is an integer number (4923520).

Almost surely, 2^113533532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113533532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118164480).

113533532 is an abundant number, since it is smaller than the sum of its proper divisors (122795428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113533532 is a wasteful number, since it uses less digits than its factorization.

113533532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 1120 counting only the distinct ones).

The product of its digits is 4050, while the sum is 26.

The square root of 113533532 is about 10655.2114948508. The cubic root of 113533532 is about 484.2185054874.

Adding to 113533532 its reverse (235335311), we get a palindrome (348868843).

The spelling of 113533532 in words is "one hundred thirteen million, five hundred thirty-three thousand, five hundred thirty-two".