1135525 has 12 divisors (see below), whose sum is σ = 1436292. Its totient is φ = 890240.

The previous prime is 1135513. The next prime is 1135531. The reversal of 1135525 is 5255311.

1135525 = 201² + 202² + ... + 225².

It can be written as a sum of positive squares in 6 ways, for example, as 58081 + 1077444 = 241^2 + 1038^2 .

It is not a de Polignac number, because 1135525 - 2¹¹ = 1133477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1135496 and 1135505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 897 + ... + 1753.

It is an arithmetic number, because the mean of its divisors is an integer number (119691).

2^1135525 is an apocalyptic number.

1135525 is the 754-th centered square number.

It is an amenable number.

1135525 is a deficient number, since it is larger than the sum of its proper divisors (300767).

1135525 is an equidigital number, since it uses as much as digits as its factorization.

1135525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920 (or 915 counting only the distinct ones).

The product of its digits is 750, while the sum is 22.

The square root of 1135525 is about 1065.6101538555. The cubic root of 1135525 is about 104.3275239161.

The spelling of 1135525 in words is "one million, one hundred thirty-five thousand, five hundred twenty-five".