506943631 has 8 divisors (see below), whose sum is σ = 516879440. Its totient is φ = 497104128.

The previous prime is 506943601. The next prime is 506943659. The reversal of 506943631 is 136349605.

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

It is a cyclic number.

It is not a de Polignac number, because 506943631 - 2⁹ = 506943119 is a prime.

It is a super-2 number, since 2×506943631² = 513983690022928322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506943601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13401 + ... + 34546.

It is an arithmetic number, because the mean of its divisors is an integer number (64609930).

Almost surely, 2^506943631 is an apocalyptic number.

506943631 is a deficient number, since it is larger than the sum of its proper divisors (9935809).

506943631 is a wasteful number, since it uses less digits than its factorization.

506943631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48153.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 506943631 is about 22515.4087460121. The cubic root of 506943631 is about 797.3577572786.

The spelling of 506943631 in words is "five hundred six million, nine hundred forty-three thousand, six hundred thirty-one".