505333133 has 4 divisors (see below), whose sum is σ = 511421568. Its totient is φ = 499244700.

The previous prime is 505333123. The next prime is 505333151. The reversal of 505333133 is 331333505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 505333133 - 2⁴ = 505333117 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 (505333123) 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, 3044093 + ... + 3044258.

It is an arithmetic number, because the mean of its divisors is an integer number (127855392).

Almost surely, 2^505333133 is an apocalyptic number.

It is an amenable number.

505333133 is a deficient number, since it is larger than the sum of its proper divisors (6088435).

505333133 is an equidigital number, since it uses as much as digits as its factorization.

505333133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6088434.

The product of its (nonzero) digits is 6075, while the sum is 26.

The square root of 505333133 is about 22479.6159442282. The cubic root of 505333133 is about 796.5124921411.

Adding to 505333133 its reverse (331333505), we get a palindrome (836666638).

The spelling of 505333133 in words is "five hundred five million, three hundred thirty-three thousand, one hundred thirty-three".