262385 has 8 divisors (see below), whose sum is σ = 318696. Its totient is φ = 207360.

The previous prime is 262369. The next prime is 262387. The reversal of 262385 is 583262.

262385 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 4 ways, for example, as 15376 + 247009 = 124^2 + 497^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 262385 - 2⁴ = 262369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (262387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215 + ... + 755.

It is an arithmetic number, because the mean of its divisors is an integer number (39837).

2²⁶²³⁸⁵ is an apocalyptic number.

It is an amenable number.

262385 is a deficient number, since it is larger than the sum of its proper divisors (56311).

262385 is an equidigital number, since it uses as much as digits as its factorization.

262385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643.

The product of its digits is 2880, while the sum is 26.

The square root of 262385 is about 512.2352974952. The cubic root of 262385 is about 64.0196066230.

The spelling of 262385 in words is "two hundred sixty-two thousand, three hundred eighty-five".