263797 has 4 divisors (see below), whose sum is σ = 265696. Its totient is φ = 261900.

The previous prime is 263761. The next prime is 263803. The reversal of 263797 is 797362.

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: 797362 = 2 ⋅398681.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263797 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 (263737) 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, 723 + ... + 1024.

It is an arithmetic number, because the mean of its divisors is an integer number (66424).

2²⁶³⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

263797 is a deficient number, since it is larger than the sum of its proper divisors (1899).

263797 is a wasteful number, since it uses less digits than its factorization.

263797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898.

The product of its digits is 15876, while the sum is 34.

The square root of 263797 is about 513.6117210501. The cubic root of 263797 is about 64.1342397203.

The spelling of 263797 in words is "two hundred sixty-three thousand, seven hundred ninety-seven".