263741 has 4 divisors (see below), whose sum is σ = 275232. Its totient is φ = 252252.

The previous prime is 263737. The next prime is 263759. The reversal of 263741 is 147362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 147362 = 2 ⋅73681.

It is a cyclic number.

It is not a de Polignac number, because 263741 - 2² = 263737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 11467 = 263741 / (2 + 6 + 3 + 7 + 4 + 1).

It is a d-powerful number, because it can be written as 2³ + 6⁴ + 7² + 3⁵ + 4⁹ + 1 .

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 263741.

It is not an unprimeable number, because it can be changed into a prime (263761) 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, 5711 + ... + 5756.

It is an arithmetic number, because the mean of its divisors is an integer number (68808).

2²⁶³⁷⁴¹ is an apocalyptic number.

It is an amenable number.

263741 is a deficient number, since it is larger than the sum of its proper divisors (11491).

263741 is a wasteful number, since it uses less digits than its factorization.

263741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11490.

The product of its digits is 1008, while the sum is 23.

The square root of 263741 is about 513.5572022667. The cubic root of 263741 is about 64.1297011653.

The spelling of 263741 in words is "two hundred sixty-three thousand, seven hundred forty-one".