263133364 has 12 divisors (see below), whose sum is σ = 495905284. Its totient is φ = 121446144.

The previous prime is 263133347. The next prime is 263133371. The reversal of 263133364 is 463331362.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53173264 + 209960100 = 7292^2 + 14490^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2530077 + ... + 2530180.

Almost surely, 2^263133364 is an apocalyptic number.

It is an amenable number.

263133364 is a deficient number, since it is larger than the sum of its proper divisors (232771920).

263133364 is a wasteful number, since it uses less digits than its factorization.

263133364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060274 (or 5060272 counting only the distinct ones).

The product of its digits is 23328, while the sum is 31.

The square root of 263133364 is about 16221.3860073669. The cubic root of 263133364 is about 640.8041356952.

The spelling of 263133364 in words is "two hundred sixty-three million, one hundred thirty-three thousand, three hundred sixty-four".