260031 has 4 divisors (see below), whose sum is σ = 346712. Its totient is φ = 173352.

The previous prime is 260023. The next prime is 260047. The reversal of 260031 is 130062.

260031 is nontrivially palindromic in base 2.

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

It is not a de Polignac number, because 260031 - 2³ = 260023 is a prime.

It is a super-2 number, since 2×260031² = 135232241922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 259989 and 260016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260011) 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, 43336 + ... + 43341.

It is an arithmetic number, because the mean of its divisors is an integer number (86678).

2²⁶⁰⁰³¹ is an apocalyptic number.

260031 is a deficient number, since it is larger than the sum of its proper divisors (86681).

260031 is an equidigital number, since it uses as much as digits as its factorization.

260031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86680.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 260031 is about 509.9323484542. The cubic root of 260031 is about 63.8275795241.

Adding to 260031 its reverse (130062), we get a palindrome (390093).

The spelling of 260031 in words is "two hundred sixty thousand, thirty-one".