260431 has 6 divisors (see below), whose sum is σ = 270096. Its totient is φ = 251100.

The previous prime is 260419. The next prime is 260441. The reversal of 260431 is 134062.

It is not a de Polignac number, because 260431 - 2⁵ = 260399 is a prime.

It is a super-2 number, since 2×260431² = 135648611522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260411) 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 5 ways as a sum of consecutive naturals, for example, 826 + ... + 1096.

It is an arithmetic number, because the mean of its divisors is an integer number (45016).

2²⁶⁰⁴³¹ is an apocalyptic number.

260431 is a deficient number, since it is larger than the sum of its proper divisors (9665).

260431 is an equidigital number, since it uses as much as digits as its factorization.

260431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 260431 is about 510.3244066278. The cubic root of 260431 is about 63.8602909466.

Adding to 260431 its reverse (134062), we get a palindrome (394493).

The spelling of 260431 in words is "two hundred sixty thousand, four hundred thirty-one".