263324461 has 4 divisors (see below), whose sum is σ = 263414592. Its totient is φ = 263234332.

The previous prime is 263324419. The next prime is 263324483. The reversal of 263324461 is 164423362.

263324461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 263324461 - 2¹¹ = 263322413 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263354461) 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, 40531 + ... + 46576.

It is an arithmetic number, because the mean of its divisors is an integer number (65853648).

Almost surely, 2^263324461 is an apocalyptic number.

It is an amenable number.

263324461 is a deficient number, since it is larger than the sum of its proper divisors (90131).

263324461 is an equidigital number, since it uses as much as digits as its factorization.

263324461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90130.

The product of its digits is 20736, while the sum is 31.

The square root of 263324461 is about 16227.2752179779. The cubic root of 263324461 is about 640.9592232322.

The spelling of 263324461 in words is "two hundred sixty-three million, three hundred twenty-four thousand, four hundred sixty-one".