262865 has 8 divisors (see below), whose sum is σ = 332160. Its totient is φ = 199152.

The previous prime is 262853. The next prime is 262877. The reversal of 262865 is 568262.

It is an interprime number because it is at equal distance from previous prime (262853) and next prime (262877).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-262865 is a prime.

It is a d-powerful number, because it can be written as 2⁴ + 6² + 8 + 2¹⁸ + 6² + 5⁴ .

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 262865.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1289 + ... + 1478.

It is an arithmetic number, because the mean of its divisors is an integer number (41520).

2²⁶²⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

262865 is a deficient number, since it is larger than the sum of its proper divisors (69295).

262865 is a wasteful number, since it uses less digits than its factorization.

262865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791.

The product of its digits is 5760, while the sum is 29.

The square root of 262865 is about 512.7036180875. The cubic root of 262865 is about 64.0586214190.

It can be divided in two parts, 2628 and 65, that multiplied together give a triangular number (170820 = T₅₈₄).

The spelling of 262865 in words is "two hundred sixty-two thousand, eight hundred sixty-five".