860253261 has 32 divisors (see below), whose sum is σ = 1416326400. Its totient is φ = 462647808.

The previous prime is 860253223. The next prime is 860253271. The reversal of 860253261 is 162352068.

860253261 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 860253261 - 2⁶ = 860253197 is a prime.

It is a super-2 number, since 2×860253261² = 1480071346122268242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860253271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7096 + ... + 42081.

It is an arithmetic number, because the mean of its divisors is an integer number (44260200).

Almost surely, 2^860253261 is an apocalyptic number.

It is an amenable number.

860253261 is a deficient number, since it is larger than the sum of its proper divisors (556073139).

860253261 is a wasteful number, since it uses less digits than its factorization.

860253261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49218 (or 49204 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 860253261 is about 29330.0743435812. The cubic root of 860253261 is about 951.0618822382.

The spelling of 860253261 in words is "eight hundred sixty million, two hundred fifty-three thousand, two hundred sixty-one".