525304 has 16 divisors (see below), whose sum is σ = 1060920. Its totient is φ = 242400.

The previous prime is 525299. The next prime is 525313. The reversal of 525304 is 403525.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

525304 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2422 + ... + 2629.

2⁵²⁵³⁰⁴ is an apocalyptic number.

It is an amenable number.

525304 is an abundant number, since it is smaller than the sum of its proper divisors (535616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525304 is a wasteful number, since it uses less digits than its factorization.

525304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5070 (or 5066 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 525304 is about 724.7785868802. The cubic root of 525304 is about 80.6870001637.

Adding to 525304 its reverse (403525), we get a palindrome (928829).

It can be divided in two parts, 52 and 5304, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 525304 in words is "five hundred twenty-five thousand, three hundred four".