506104031 has 4 divisors (see below), whose sum is σ = 511115064. Its totient is φ = 501093000.

The previous prime is 506104009. The next prime is 506104033. The reversal of 506104031 is 130401605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506104031 is a prime.

It is a super-2 number, since 2×506104031² = 512282580388897922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506103994 and 506104012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506104033) 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, 2505365 + ... + 2505566.

It is an arithmetic number, because the mean of its divisors is an integer number (127778766).

Almost surely, 2^506104031 is an apocalyptic number.

506104031 is a deficient number, since it is larger than the sum of its proper divisors (5011033).

506104031 is a wasteful number, since it uses less digits than its factorization.

506104031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5011032.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 506104031 is about 22496.7560105896. The cubic root of 506104031 is about 796.9173194206.

Adding to 506104031 its reverse (130401605), we get a palindrome (636505636).

The spelling of 506104031 in words is "five hundred six million, one hundred four thousand, thirty-one".