1535525 has 12 divisors (see below), whose sum is σ = 2016612. Its totient is φ = 1155840.

The previous prime is 1535507. The next prime is 1535531. The reversal of 1535525 is 5255351.

It can be written as a sum of positive squares in 6 ways, for example, as 206116 + 1329409 = 454^2 + 1153^2 .

It is not a de Polignac number, because 1535525 - 2⁸ = 1535269 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1535494 and 1535503.

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, 1382 + ... + 2231.

It is an arithmetic number, because the mean of its divisors is an integer number (168051).

2^1535525 is an apocalyptic number.

It is an amenable number.

1535525 is a deficient number, since it is larger than the sum of its proper divisors (481087).

1535525 is a wasteful number, since it uses less digits than its factorization.

1535525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640 (or 3635 counting only the distinct ones).

The product of its digits is 3750, while the sum is 26.

The square root of 1535525 is about 1239.1630239803. The cubic root of 1535525 is about 115.3680708472.

The spelling of 1535525 in words is "one million, five hundred thirty-five thousand, five hundred twenty-five".