525306 has 16 divisors (see below), whose sum is σ = 1087200. Its totient is φ = 169008.

The previous prime is 525299. The next prime is 525313. The reversal of 525306 is 603525.

It is an interprime number because it is at equal distance from previous prime (525299) and next prime (525313).

It is an unprimeable number.

525306 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 7 ways as a sum of consecutive naturals, for example, 1336 + ... + 1683.

It is an arithmetic number, because the mean of its divisors is an integer number (67950).

2⁵²⁵³⁰⁶ is an apocalyptic number.

525306 is an abundant number, since it is smaller than the sum of its proper divisors (561894).

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

525306 is a wasteful number, since it uses less digits than its factorization.

525306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 525306 is about 724.7799666106. The cubic root of 525306 is about 80.6871025640.

The spelling of 525306 in words is "five hundred twenty-five thousand, three hundred six".