507505 has 4 divisors (see below), whose sum is σ = 609012. Its totient is φ = 406000.

The previous prime is 507503. The next prime is 507523. The reversal of 507505 is 505705.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505705 = 5 ⋅101141.

It can be written as a sum of positive squares in 2 ways, for example, as 238144 + 269361 = 488^2 + 519^2 .

It is not a de Polignac number, because 507505 - 2¹ = 507503 is a prime.

It is a super-2 number, since 2×507505² = 515122650050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507503) 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, 50746 + ... + 50755.

It is an arithmetic number, because the mean of its divisors is an integer number (152253).

2⁵⁰⁷⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

507505 is a deficient number, since it is larger than the sum of its proper divisors (101507).

507505 is a wasteful number, since it uses less digits than its factorization.

507505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101506.

The product of its (nonzero) digits is 875, while the sum is 22.

The square root of 507505 is about 712.3938517421. The cubic root of 507505 is about 79.7651969349.

The spelling of 507505 in words is "five hundred seven thousand, five hundred five".