262591 has 12 divisors (see below), whose sum is σ = 320112. Its totient is φ = 214368.

The previous prime is 262583. The next prime is 262597. The reversal of 262591 is 195262.

It is not a de Polignac number, because 262591 - 2³ = 262583 is a prime.

It is a Duffinian number.

Its product of digits (1080) is a multiple of the sum of its prime factors (270).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (262597) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1011 + ... + 1243.

It is an arithmetic number, because the mean of its divisors is an integer number (26676).

2²⁶²⁵⁹¹ is an apocalyptic number.

262591 is a deficient number, since it is larger than the sum of its proper divisors (57521).

262591 is a wasteful number, since it uses less digits than its factorization.

262591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 263 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 262591 is about 512.4363375094. The cubic root of 262591 is about 64.0363562964.

The spelling of 262591 in words is "two hundred sixty-two thousand, five hundred ninety-one".