1113531252 has 48 divisors (see below), whose sum is σ = 2737728000. Its totient is φ = 351289440.

The previous prime is 1113531203. The next prime is 1113531257. The reversal of 1113531252 is 2521353111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113531257) 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, 317227 + ... + 320717.

It is an arithmetic number, because the mean of its divisors is an integer number (57036000).

Almost surely, 2^1113531252 is an apocalyptic number.

1113531252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1113531252 is an abundant number, since it is smaller than the sum of its proper divisors (1624196748).

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

1113531252 is a wasteful number, since it uses less digits than its factorization.

1113531252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4916 (or 4914 counting only the distinct ones).

The product of its digits is 900, while the sum is 24.

The square root of 1113531252 is about 33369.6157005141. The cubic root of 1113531252 is about 1036.4956173754.

Adding to 1113531252 its reverse (2521353111), we get a palindrome (3634884363).

The spelling of 1113531252 in words is "one billion, one hundred thirteen million, five hundred thirty-one thousand, two hundred fifty-two".