262117 has 4 divisors (see below), whose sum is σ = 266476. Its totient is φ = 257760.

The previous prime is 262111. The next prime is 262121. The reversal of 262117 is 711262.

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

It can be written as a sum of positive squares in 2 ways, for example, as 60516 + 201601 = 246^2 + 449^2 .

It is a cyclic number.

It is not a de Polignac number, because 262117 - 2³ = 262109 is a prime.

It is a Duffinian number.

262117 is a lucky number.

It is a nialpdrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 262094 and 262103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (262111) 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, 2088 + ... + 2209.

It is an arithmetic number, because the mean of its divisors is an integer number (66619).

2²⁶²¹¹⁷ is an apocalyptic number.

It is an amenable number.

262117 is a deficient number, since it is larger than the sum of its proper divisors (4359).

262117 is an equidigital number, since it uses as much as digits as its factorization.

262117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4358.

The product of its digits is 168, while the sum is 19.

The square root of 262117 is about 511.9736321335. The cubic root of 262117 is about 63.9978026589.

Adding to 262117 its reverse (711262), we get a palindrome (973379).

The spelling of 262117 in words is "two hundred sixty-two thousand, one hundred seventeen".