1115525 has 6 divisors (see below), whose sum is σ = 1383282. Its totient is φ = 892400.

The previous prime is 1115519. The next prime is 1115531. The reversal of 1115525 is 5255111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1115519) and next prime (1115531).

It can be written as a sum of positive squares in 3 ways, for example, as 351649 + 763876 = 593^2 + 874^2 .

It is not a de Polignac number, because 1115525 - 2⁸ = 1115269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1115497 and 1115506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22286 + ... + 22335.

It is an arithmetic number, because the mean of its divisors is an integer number (230547).

2^1115525 is an apocalyptic number.

It is an amenable number.

1115525 is a deficient number, since it is larger than the sum of its proper divisors (267757).

1115525 is an equidigital number, since it uses as much as digits as its factorization.

1115525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44631 (or 44626 counting only the distinct ones).

The product of its digits is 250, while the sum is 20.

The square root of 1115525 is about 1056.1841695462. The cubic root of 1115525 is about 103.7113854460.

The spelling of 1115525 in words is "one million, one hundred fifteen thousand, five hundred twenty-five".