507381 has 16 divisors (see below), whose sum is σ = 795264. Its totient is φ = 281664.

The previous prime is 507371. The next prime is 507383. The reversal of 507381 is 183705.

It is not a de Polignac number, because 507381 - 2⁵ = 507349 is a prime.

It is a super-2 number, since 2×507381² = 514870958322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451 + ... + 1103.

It is an arithmetic number, because the mean of its divisors is an integer number (49704).

2⁵⁰⁷³⁸¹ is an apocalyptic number.

It is an amenable number.

507381 is a deficient number, since it is larger than the sum of its proper divisors (287883).

507381 is a wasteful number, since it uses less digits than its factorization.

507381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 507381 is about 712.3068159157. The cubic root of 507381 is about 79.7586999939.

It can be divided in two parts, 507 and 381, that added together give a palindrome (888).

The spelling of 507381 in words is "five hundred seven thousand, three hundred eighty-one".