1003525 has 12 divisors (see below), whose sum is σ = 1257732. Its totient is φ = 794240.

The previous prime is 1003517. The next prime is 1003543. The reversal of 1003525 is 5253001.

It can be written as a sum of positive squares in 6 ways, for example, as 31329 + 972196 = 177^2 + 986^2 .

It is not a de Polignac number, because 1003525 - 2³ = 1003517 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 1003499 and 1003508.

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, 3279 + ... + 3571.

It is an arithmetic number, because the mean of its divisors is an integer number (104811).

2^1003525 is an apocalyptic number.

It is an amenable number.

1003525 is a deficient number, since it is larger than the sum of its proper divisors (254207).

1003525 is a wasteful number, since it uses less digits than its factorization.

1003525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 1003525 is about 1001.7609495284. The cubic root of 1003525 is about 100.1173622072.

Adding to 1003525 its reverse (5253001), we get a palindrome (6256526).

The spelling of 1003525 in words is "one million, three thousand, five hundred twenty-five".