505313133 has 8 divisors (see below), whose sum is σ = 725577888. Its totient is φ = 310961904.

The previous prime is 505313119. The next prime is 505313161. The reversal of 505313133 is 331313505.

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

It is not a de Polignac number, because 505313133 - 2⁵ = 505313101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505311133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6478335 + ... + 6478412.

It is an arithmetic number, because the mean of its divisors is an integer number (90697236).

Almost surely, 2^505313133 is an apocalyptic number.

It is an amenable number.

505313133 is a deficient number, since it is larger than the sum of its proper divisors (220264755).

505313133 is a wasteful number, since it uses less digits than its factorization.

505313133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12956763.

The product of its (nonzero) digits is 2025, while the sum is 24.

The square root of 505313133 is about 22479.1710923690. The cubic root of 505313133 is about 796.5019839180.

Adding to 505313133 its reverse (331313505), we get a palindrome (836626638).

The spelling of 505313133 in words is "five hundred five million, three hundred thirteen thousand, one hundred thirty-three".