262091 has 4 divisors (see below), whose sum is σ = 264000. Its totient is φ = 260184.

The previous prime is 262079. The next prime is 262103. The reversal of 262091 is 190262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190262 = 2 ⋅95131.

It is an interprime number because it is at equal distance from previous prime (262079) and next prime (262103).

It is a cyclic number.

It is not a de Polignac number, because 262091 - 2⁶ = 262027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (262051) 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, 731 + ... + 1028.

It is an arithmetic number, because the mean of its divisors is an integer number (66000).

2²⁶²⁰⁹¹ is an apocalyptic number.

262091 is a deficient number, since it is larger than the sum of its proper divisors (1909).

262091 is a wasteful number, since it uses less digits than its factorization.

262091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 262091 is about 511.9482395712. The cubic root of 262091 is about 63.9956865582.

The spelling of 262091 in words is "two hundred sixty-two thousand, ninety-one".