263305532 has 12 divisors (see below), whose sum is σ = 526611120. Its totient is φ = 112845216.

The previous prime is 263305531. The next prime is 263305547. The reversal of 263305532 is 235503362.

263305532 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 263305495 and 263305504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263305531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4701857 + ... + 4701912.

It is an arithmetic number, because the mean of its divisors is an integer number (43884260).

Almost surely, 2^263305532 is an apocalyptic number.

It is an amenable number.

263305532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

263305532 is a wasteful number, since it uses less digits than its factorization.

263305532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9403780 (or 9403778 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 29.

The square root of 263305532 is about 16226.6919610868. The cubic root of 263305532 is about 640.9438644769.

Adding to 263305532 its reverse (235503362), we get a palindrome (498808894).

The spelling of 263305532 in words is "two hundred sixty-three million, three hundred five thousand, five hundred thirty-two".