260256031 has 4 divisors (see below), whose sum is σ = 297435472. Its totient is φ = 223076592.

The previous prime is 260255999. The next prime is 260256037. The reversal of 260256031 is 130652062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130652062 = 2 ⋅65326031.

It is a cyclic number.

It is not a de Polignac number, because 260256031 - 2⁵ = 260255999 is a prime.

It is a super-3 number, since 3×260256031³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 260255987 and 260256005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260256037) 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, 18589710 + ... + 18589723.

It is an arithmetic number, because the mean of its divisors is an integer number (74358868).

Almost surely, 2^260256031 is an apocalyptic number.

260256031 is a deficient number, since it is larger than the sum of its proper divisors (37179441).

260256031 is an equidigital number, since it uses as much as digits as its factorization.

260256031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37179440.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 260256031 is about 16132.4527273443. The cubic root of 260256031 is about 638.4598635860.

The spelling of 260256031 in words is "two hundred sixty million, two hundred fifty-six thousand, thirty-one".