507881 has 4 divisors (see below), whose sum is σ = 554064. Its totient is φ = 461700.

The previous prime is 507839. The next prime is 507883. The reversal of 507881 is 188705.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 507881 - 2¹⁴ = 491497 is a prime.

It is a super-2 number, since 2×507881² = 515886220322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507883) 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, 23075 + ... + 23096.

It is an arithmetic number, because the mean of its divisors is an integer number (138516).

2⁵⁰⁷⁸⁸¹ is an apocalyptic number.

It is an amenable number.

507881 is a deficient number, since it is larger than the sum of its proper divisors (46183).

507881 is a wasteful number, since it uses less digits than its factorization.

507881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46182.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 507881 is about 712.6577018457. The cubic root of 507881 is about 79.7848908692.

The spelling of 507881 in words is "five hundred seven thousand, eight hundred eighty-one".