263241 has 12 divisors (see below), whose sum is σ = 414960. Its totient is φ = 159480.

The previous prime is 263239. The next prime is 263257. The reversal of 263241 is 142362.

It is a happy number.

It is not a de Polignac number, because 263241 - 2¹ = 263239 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (263201) 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 11 ways as a sum of consecutive naturals, for example, 1231 + ... + 1428.

It is an arithmetic number, because the mean of its divisors is an integer number (34580).

2²⁶³²⁴¹ is an apocalyptic number.

It is an amenable number.

263241 is a deficient number, since it is larger than the sum of its proper divisors (151719).

263241 is a wasteful number, since it uses less digits than its factorization.

263241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676 (or 2673 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 263241 is about 513.0701706395. The cubic root of 263241 is about 64.0891498481.

The spelling of 263241 in words is "two hundred sixty-three thousand, two hundred forty-one".