263041 has 4 divisors (see below), whose sum is σ = 278532. Its totient is φ = 247552.

The previous prime is 263023. The next prime is 263047. The reversal of 263041 is 140362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140362 = 2 ⋅70181.

It can be written as a sum of positive squares in 2 ways, for example, as 160000 + 103041 = 400^2 + 321^2 .

It is a cyclic number.

It is not a de Polignac number, because 263041 - 2⁵ = 263009 is a prime.

It is a Duffinian number.

263041 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (263047) 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, 7720 + ... + 7753.

It is an arithmetic number, because the mean of its divisors is an integer number (69633).

2²⁶³⁰⁴¹ is an apocalyptic number.

It is an amenable number.

263041 is a deficient number, since it is larger than the sum of its proper divisors (15491).

263041 is a wasteful number, since it uses less digits than its factorization.

263041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15490.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 263041 is about 512.8752284913. The cubic root of 263041 is about 64.0729149436.

The spelling of 263041 in words is "two hundred sixty-three thousand, forty-one".