262289 has 4 divisors (see below), whose sum is σ = 265956. Its totient is φ = 258624.

The previous prime is 262271. The next prime is 262303. The reversal of 262289 is 982262.

It is a happy number.

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 115600 + 146689 = 340^2 + 383^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-262289 is a prime.

It is a d-powerful number, because it can be written as 2 + 6 + 2⁶ + 2¹⁸ + 8² + 9 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (262489) 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, 1724 + ... + 1869.

It is an arithmetic number, because the mean of its divisors is an integer number (66489).

2²⁶²²⁸⁹ is an apocalyptic number.

It is an amenable number.

262289 is a deficient number, since it is larger than the sum of its proper divisors (3667).

262289 is an equidigital number, since it uses as much as digits as its factorization.

262289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666.

The product of its digits is 3456, while the sum is 29.

The square root of 262289 is about 512.1415819869. The cubic root of 262289 is about 64.0117979552.

The spelling of 262289 in words is "two hundred sixty-two thousand, two hundred eighty-nine".