525303 has 6 divisors (see below), whose sum is σ = 758784. Its totient is φ = 350196.

The previous prime is 525299. The next prime is 525313. The reversal of 525303 is 303525.

Added to its reverse (303525) it gives a triangular number (828828 = T₁₂₈₇).

525303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 525303 - 2² = 525299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29175 + ... + 29192.

It is an arithmetic number, because the mean of its divisors is an integer number (126464).

2⁵²⁵³⁰³ is an apocalyptic number.

525303 is a deficient number, since it is larger than the sum of its proper divisors (233481).

525303 is a wasteful number, since it uses less digits than its factorization.

525303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58373 (or 58370 counting only the distinct ones).

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

The square root of 525303 is about 724.7778970140. Note that the first 3 decimals coincide. The cubic root of 525303 is about 80.6869489635.

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

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

The spelling of 525303 in words is "five hundred twenty-five thousand, three hundred three".