260006831 has 4 divisors (see below), whose sum is σ = 297150672. Its totient is φ = 222862992.

The previous prime is 260006819. The next prime is 260006843. The reversal of 260006831 is 138600062.

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

It is an interprime number because it is at equal distance from previous prime (260006819) and next prime (260006843).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260006831 is a prime.

It is a super-2 number, since 2×260006831² = 135207104333325122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 260006831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260006861) 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, 18571910 + ... + 18571923.

It is an arithmetic number, because the mean of its divisors is an integer number (74287668).

Almost surely, 2^260006831 is an apocalyptic number.

260006831 is a deficient number, since it is larger than the sum of its proper divisors (37143841).

260006831 is an equidigital number, since it uses as much as digits as its factorization.

260006831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37143840.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 260006831 is about 16124.7273155238. The cubic root of 260006831 is about 638.2560194379.

Adding to 260006831 its reverse (138600062), we get a palindrome (398606893).

The spelling of 260006831 in words is "two hundred sixty million, six thousand, eight hundred thirty-one".