491882533 has 8 divisors (see below), whose sum is σ = 499340160. Its totient is φ = 484439760.

The previous prime is 491882459. The next prime is 491882537. The reversal of 491882533 is 335288194.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-491882533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 491882533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491882537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75616 + ... + 81862.

It is an arithmetic number, because the mean of its divisors is an integer number (62417520).

Almost surely, 2^491882533 is an apocalyptic number.

It is an amenable number.

491882533 is a deficient number, since it is larger than the sum of its proper divisors (7457627).

491882533 is a wasteful number, since it uses less digits than its factorization.

491882533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7427.

The product of its digits is 207360, while the sum is 43.

The square root of 491882533 is about 22178.4249440757. The cubic root of 491882533 is about 789.3818445874.

The spelling of 491882533 in words is "four hundred ninety-one million, eight hundred eighty-two thousand, five hundred thirty-three".