500700091 has 4 divisors (see below), whose sum is σ = 500806800. Its totient is φ = 500593384.

The previous prime is 500700061. The next prime is 500700097. The reversal of 500700091 is 190007005.

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

It is a cyclic number.

It is not a de Polignac number, because 500700091 - 2⁹ = 500699579 is a prime.

It is a super-2 number, since 2×500700091² = 501401162254816562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500700097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45976 + ... + 55813.

It is an arithmetic number, because the mean of its divisors is an integer number (125201700).

Almost surely, 2^500700091 is an apocalyptic number.

500700091 is a deficient number, since it is larger than the sum of its proper divisors (106709).

500700091 is a wasteful number, since it uses less digits than its factorization.

500700091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106708.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 500700091 is about 22376.3288097042. The cubic root of 500700091 is about 794.0707949531.

Adding to 500700091 its reverse (190007005), we get a palindrome (690707096).

The spelling of 500700091 in words is "five hundred million, seven hundred thousand, ninety-one".