506331109 has 4 divisors (see below), whose sum is σ = 507980704. Its totient is φ = 504681516.

The previous prime is 506331107. The next prime is 506331121. The reversal of 506331109 is 901133605.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 506331109 - 2¹ = 506331107 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 (506331107) 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, 824337 + ... + 824950.

It is an arithmetic number, because the mean of its divisors is an integer number (126995176).

Almost surely, 2^506331109 is an apocalyptic number.

It is an amenable number.

506331109 is a deficient number, since it is larger than the sum of its proper divisors (1649595).

506331109 is a wasteful number, since it uses less digits than its factorization.

506331109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649594.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 506331109 is about 22501.8023500341. The cubic root of 506331109 is about 797.0364881567.

The spelling of 506331109 in words is "five hundred six million, three hundred thirty-one thousand, one hundred nine".