500609091 has 4 divisors (see below), whose sum is σ = 667478792. Its totient is φ = 333739392.

The previous prime is 500609077. The next prime is 500609113. The reversal of 500609091 is 190906005.

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

It is not a de Polignac number, because 500609091 - 2¹¹ = 500607043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500609051) 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, 83434846 + ... + 83434851.

It is an arithmetic number, because the mean of its divisors is an integer number (166869698).

Almost surely, 2^500609091 is an apocalyptic number.

500609091 is a deficient number, since it is larger than the sum of its proper divisors (166869701).

500609091 is a wasteful number, since it uses less digits than its factorization.

500609091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166869700.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 500609091 is about 22374.2953185123. The cubic root of 500609091 is about 794.0226857678.

The spelling of 500609091 in words is "five hundred million, six hundred nine thousand, ninety-one".