507539 has 4 divisors (see below), whose sum is σ = 519960. Its totient is φ = 495120.

The previous prime is 507523. The next prime is 507557. The reversal of 507539 is 935705.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 935705 = 5 ⋅187141.

It is a cyclic number.

It is not a de Polignac number, because 507539 - 2⁴ = 507523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6149 + ... + 6230.

It is an arithmetic number, because the mean of its divisors is an integer number (129990).

2⁵⁰⁷⁵³⁹ is an apocalyptic number.

507539 is a deficient number, since it is larger than the sum of its proper divisors (12421).

507539 is a wasteful number, since it uses less digits than its factorization.

507539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12420.

The product of its (nonzero) digits is 4725, while the sum is 29.

The square root of 507539 is about 712.4177145467. The cubic root of 507539 is about 79.7669781693.

The spelling of 507539 in words is "five hundred seven thousand, five hundred thirty-nine".