263043252 has 36 divisors (see below), whose sum is σ = 665413476. Its totient is φ = 87615360.

The previous prime is 263043247. The next prime is 263043281. The reversal of 263043252 is 252340362.

263043252 is a `hidden beast` number, since 2 + 630 + 4 + 3 + 25 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 64064016 + 198979236 = 8004^2 + 14106^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 81102 + ... + 84282.

Almost surely, 2^263043252 is an apocalyptic number.

It is an amenable number.

263043252 is an abundant number, since it is smaller than the sum of its proper divisors (402370224).

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

263043252 is a wasteful number, since it uses less digits than its factorization.

263043252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5488 (or 5483 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 263043252 is about 16218.6082016923. The cubic root of 263043252 is about 640.7309779445.

The spelling of 263043252 in words is "two hundred sixty-three million, forty-three thousand, two hundred fifty-two".