263112433 has 12 divisors (see below), whose sum is σ = 276024420. Its totient is φ = 250781696.

The previous prime is 263112431. The next prime is 263112467. The reversal of 263112433 is 334211362.

It can be written as a sum of positive squares in 2 ways, for example, as 40297104 + 222815329 = 6348^2 + 14927^2 .

It is not a de Polignac number, because 263112433 - 2¹ = 263112431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 263112398 and 263112407.

It is not an unprimeable number, because it can be changed into a prime (263112431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186033 + ... + 187441.

It is an arithmetic number, because the mean of its divisors is an integer number (23002035).

Almost surely, 2^263112433 is an apocalyptic number.

263112433 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

263112433 is a deficient number, since it is larger than the sum of its proper divisors (12911987).

263112433 is a wasteful number, since it uses less digits than its factorization.

263112433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808 (or 1785 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 263112433 is about 16220.7408277181. The cubic root of 263112433 is about 640.7871442771.

Adding to 263112433 its reverse (334211362), we get a palindrome (597323795).

The spelling of 263112433 in words is "two hundred sixty-three million, one hundred twelve thousand, four hundred thirty-three".