262279 has 4 divisors (see below), whose sum is σ = 263376. Its totient is φ = 261184.

The previous prime is 262271. The next prime is 262303. The reversal of 262279 is 972262.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 262279 - 2³ = 262271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (262271) 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, 19 + ... + 724.

It is an arithmetic number, because the mean of its divisors is an integer number (65844).

2²⁶²²⁷⁹ is an apocalyptic number.

262279 is a deficient number, since it is larger than the sum of its proper divisors (1097).

262279 is an equidigital number, since it uses as much as digits as its factorization.

262279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096.

The product of its digits is 3024, while the sum is 28.

The square root of 262279 is about 512.1318189685. The cubic root of 262279 is about 64.0109844427.

It can be divided in two parts, 2622 and 79, that added together give a triangular number (2701 = T₇₃).

The spelling of 262279 in words is "two hundred sixty-two thousand, two hundred seventy-nine".