505830733 has 8 divisors (see below), whose sum is σ = 535938552. Its totient is φ = 475762176.

The previous prime is 505830719. The next prime is 505830757. The reversal of 505830733 is 337038505.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 276823044 + 229007689 = 16638^2 + 15133^2 .

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-505830733 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 (505830763) 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, 19191 + ... + 37147.

It is an arithmetic number, because the mean of its divisors is an integer number (66992319).

Almost surely, 2^505830733 is an apocalyptic number.

It is an amenable number.

505830733 is a deficient number, since it is larger than the sum of its proper divisors (30107819).

505830733 is a wasteful number, since it uses less digits than its factorization.

505830733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19631.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 505830733 is about 22490.6810257048. The cubic root of 505830733 is about 796.7738475179.

The spelling of 505830733 in words is "five hundred five million, eight hundred thirty thousand, seven hundred thirty-three".