303525 has 36 divisors (see below), whose sum is σ = 580320. Its totient is φ = 151200.

The previous prime is 303497. The next prime is 303529. The reversal of 303525 is 525303.

Added to its reverse (525303) it gives a triangular number (828828 = T₁₂₈₇).

It is not a de Polignac number, because 303525 - 2⁵ = 303493 is a prime.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 303498 and 303507.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 303525.

It is not an unprimeable number, because it can be changed into a prime (303529) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4240 + ... + 4310.

It is an arithmetic number, because the mean of its divisors is an integer number (16120).

2³⁰³⁵²⁵ is an apocalyptic number.

303525 is the 450-th pentagonal number.

It is an amenable number.

303525 is a deficient number, since it is larger than the sum of its proper divisors (276795).

303525 is a wasteful number, since it uses less digits than its factorization.

303525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 303525 is about 550.9310301662. The cubic root of 303525 is about 67.2044693031.

Adding to 303525 its reverse (525303), we get a palindrome (828828).

It can be divided in two parts, 303 and 525, that added together give a palindrome (828).

The spelling of 303525 in words is "three hundred three thousand, five hundred twenty-five".