506631073 has 24 divisors (see below), whose sum is σ = 571838400. Its totient is φ = 448104384.

The previous prime is 506631071. The next prime is 506631089. The reversal of 506631073 is 370136605.

It is not a de Polignac number, because 506631073 - 2¹ = 506631071 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 (506631071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 818158 + ... + 818776.

It is an arithmetic number, because the mean of its divisors is an integer number (23826600).

Almost surely, 2^506631073 is an apocalyptic number.

It is an amenable number.

506631073 is a deficient number, since it is larger than the sum of its proper divisors (65207327).

506631073 is a wasteful number, since it uses less digits than its factorization.

506631073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 506631073 is about 22508.4666958902. The cubic root of 506631073 is about 797.1938522817.

Adding to 506631073 its reverse (370136605), we get a palindrome (876767678).

The spelling of 506631073 in words is "five hundred six million, six hundred thirty-one thousand, seventy-three".