112513525 has 6 divisors (see below), whose sum is σ = 139516802. Its totient is φ = 90010800.

The previous prime is 112513523. The next prime is 112513529. The reversal of 112513525 is 525315211.

It can be written as a sum of positive squares in 3 ways, for example, as 174724 + 112338801 = 418^2 + 10599^2 .

It is not a de Polignac number, because 112513525 - 2¹ = 112513523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 4500541 = 112513525 / (1 + 1 + 2 + 5 + 1 + 3 + 5 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112513525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112513523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2250246 + ... + 2250295.

Almost surely, 2^112513525 is an apocalyptic number.

It is an amenable number.

112513525 is a deficient number, since it is larger than the sum of its proper divisors (27003277).

112513525 is an equidigital number, since it uses as much as digits as its factorization.

112513525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500551 (or 4500546 counting only the distinct ones).

The product of its digits is 1500, while the sum is 25.

The square root of 112513525 is about 10607.2392732511. The cubic root of 112513525 is about 482.7640370742.

Adding to 112513525 its reverse (525315211), we get a palindrome (637828736).

The spelling of 112513525 in words is "one hundred twelve million, five hundred thirteen thousand, five hundred twenty-five".