1113525 has 54 divisors (see below), whose sum is σ = 2343042. Its totient is φ = 504000.

The previous prime is 1113521. The next prime is 1113527. The reversal of 1113525 is 5253111.

It can be written as a sum of positive squares in 3 ways, for example, as 298116 + 815409 = 546^2 + 903^2 .

It is not a de Polignac number, because 1113525 - 2² = 1113521 is a prime.

1113525 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1113498 and 1113507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 10975 + ... + 11075.

2^1113525 is an apocalyptic number.

1113525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1113525 is an abundant number, since it is smaller than the sum of its proper divisors (1229517).

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

1113525 is a wasteful number, since it uses less digits than its factorization.

1113525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 116 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 1113525 is about 1055.2369402177. The cubic root of 1113525 is about 103.6493677546.

Adding to 1113525 its reverse (5253111), we get a palindrome (6366636).

It can be divided in two parts, 1 and 113525, that added together give a triangular number (113526 = T₄₇₆).

The spelling of 1113525 in words is "one million, one hundred thirteen thousand, five hundred twenty-five".