461333813 has 12 divisors (see below), whose sum is σ = 489021120. Its totient is φ = 435143016.

The previous prime is 461333779. The next prime is 461333861. The reversal of 461333813 is 318333164.

It is not a de Polignac number, because 461333813 - 2⁶ = 461333749 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 461333813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461333863) 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 11 ways as a sum of consecutive naturals, for example, 83606 + ... + 88952.

It is an arithmetic number, because the mean of its divisors is an integer number (40751760).

Almost surely, 2^461333813 is an apocalyptic number.

It is an amenable number.

461333813 is a deficient number, since it is larger than the sum of its proper divisors (27687307).

461333813 is a wasteful number, since it uses less digits than its factorization.

461333813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5624 (or 5605 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 461333813 is about 21478.6827575622. The cubic root of 461333813 is about 772.6896511422.

Adding to 461333813 its reverse (318333164), we get a palindrome (779666977).

The spelling of 461333813 in words is "four hundred sixty-one million, three hundred thirty-three thousand, eight hundred thirteen".