525307 has 4 divisors (see below), whose sum is σ = 531720. Its totient is φ = 518896.

The previous prime is 525299. The next prime is 525313. The reversal of 525307 is 703525.

525307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 525307 - 2³ = 525299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525377) 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, 3082 + ... + 3247.

It is an arithmetic number, because the mean of its divisors is an integer number (132930).

2⁵²⁵³⁰⁷ is an apocalyptic number.

525307 is a deficient number, since it is larger than the sum of its proper divisors (6413).

525307 is an equidigital number, since it uses as much as digits as its factorization.

525307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6412.

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 525307 is about 724.7806564748. The cubic root of 525307 is about 80.6871537640.

The spelling of 525307 in words is "five hundred twenty-five thousand, three hundred seven".