493781333 has 4 divisors (see below), whose sum is σ = 494022060. Its totient is φ = 493540608.

The previous prime is 493781297. The next prime is 493781377. The reversal of 493781333 is 333187394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 333187394 = 2 ⋅166593697.

It can be written as a sum of positive squares in 2 ways, for example, as 249703204 + 244078129 = 15802^2 + 15623^2 .

It is a cyclic number.

It is not a de Polignac number, because 493781333 - 2⁸ = 493781077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493781033) 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, 117260 + ... + 121397.

It is an arithmetic number, because the mean of its divisors is an integer number (123505515).

Almost surely, 2^493781333 is an apocalyptic number.

It is an amenable number.

493781333 is a deficient number, since it is larger than the sum of its proper divisors (240727).

493781333 is a wasteful number, since it uses less digits than its factorization.

493781333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240726.

The product of its digits is 163296, while the sum is 41.

The square root of 493781333 is about 22221.1910796879. The cubic root of 493781333 is about 790.3962830489.

The spelling of 493781333 in words is "four hundred ninety-three million, seven hundred eighty-one thousand, three hundred thirty-three".