260465931 has 18 divisors (see below), whose sum is σ = 413542220. Its totient is φ = 157857480.

The previous prime is 260465879. The next prime is 260465957. The reversal of 260465931 is 139564062.

It is a happy number.

260465931 is a `hidden beast` number, since 2 + 60 + 4 + 6 + 593 + 1 = 666.

260465931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 260465931 - 2⁶ = 260465867 is a prime.

It is a super-2 number, since 2×260465931² = 135685002423393522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260465431) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 118501 + ... + 120678.

Almost surely, 2^260465931 is an apocalyptic number.

260465931 is a deficient number, since it is larger than the sum of its proper divisors (153076289).

260465931 is a wasteful number, since it uses less digits than its factorization.

260465931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239207 (or 239193 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 260465931 is about 16138.9569365557. The cubic root of 260465931 is about 638.6314596272.

The spelling of 260465931 in words is "two hundred sixty million, four hundred sixty-five thousand, nine hundred thirty-one".