3525503 has 4 divisors (see below), whose sum is σ = 3531600. Its totient is φ = 3519408.

The previous prime is 3525499. The next prime is 3525521. The reversal of 3525503 is 3055253.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3055253 = 991 ⋅3083.

It is a cyclic number.

It is not a de Polignac number, because 3525503 - 2² = 3525499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3525553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2078 + ... + 3371.

It is an arithmetic number, because the mean of its divisors is an integer number (882900).

Almost surely, 2^3525503 is an apocalyptic number.

3525503 is a deficient number, since it is larger than the sum of its proper divisors (6097).

3525503 is an equidigital number, since it uses as much as digits as its factorization.

3525503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6096.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 3525503 is about 1877.6322856193. The cubic root of 3525503 is about 152.1973285482.

Subtracting from 3525503 its product of nonzero digits (2250), we obtain a palindrome (3523253).

The spelling of 3525503 in words is "three million, five hundred twenty-five thousand, five hundred three".