262291 has 4 divisors (see below), whose sum is σ = 270784. Its totient is φ = 253800.

The previous prime is 262271. The next prime is 262303. The reversal of 262291 is 192262.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-262291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (262231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4200 + ... + 4261.

It is an arithmetic number, because the mean of its divisors is an integer number (67696).

2²⁶²²⁹¹ is an apocalyptic number.

262291 is a deficient number, since it is larger than the sum of its proper divisors (8493).

262291 is an equidigital number, since it uses as much as digits as its factorization.

262291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8492.

The product of its digits is 432, while the sum is 22.

The square root of 262291 is about 512.1435345682. The cubic root of 262291 is about 64.0119606552.

The spelling of 262291 in words is "two hundred sixty-two thousand, two hundred ninety-one".