506103409 has 12 divisors (see below), whose sum is σ = 589425600. Its totient is φ = 433292328.

The previous prime is 506103401. The next prime is 506103443. The reversal of 506103409 is 904301605.

It is not a de Polignac number, because 506103409 - 2³ = 506103401 is a prime.

It is a super-2 number, since 2×506103409² = 512281321202842562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506103401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39412 + ... + 50650.

It is an arithmetic number, because the mean of its divisors is an integer number (49118800).

Almost surely, 2^506103409 is an apocalyptic number.

It is an amenable number.

506103409 is a deficient number, since it is larger than the sum of its proper divisors (83322191).

506103409 is a wasteful number, since it uses less digits than its factorization.

506103409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12172 (or 12165 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 506103409 is about 22496.7421863700. The cubic root of 506103409 is about 796.9169929510.

The spelling of 506103409 in words is "five hundred six million, one hundred three thousand, four hundred nine".