507131 has 4 divisors (see below), whose sum is σ = 514152. Its totient is φ = 500112.

The previous prime is 507119. The next prime is 507137. The reversal of 507131 is 131705.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-507131 is a prime.

It is a super-2 number, since 2×507131² = 514363702322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507137) 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, 3401 + ... + 3546.

It is an arithmetic number, because the mean of its divisors is an integer number (128538).

2⁵⁰⁷¹³¹ is an apocalyptic number.

507131 is a deficient number, since it is larger than the sum of its proper divisors (7021).

507131 is an equidigital number, since it uses as much as digits as its factorization.

507131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7020.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 507131 is about 712.1313081167. The cubic root of 507131 is about 79.7455981035.

Adding to 507131 its reverse (131705), we get a palindrome (638836).

The spelling of 507131 in words is "five hundred seven thousand, one hundred thirty-one".