500766081 has 4 divisors (see below), whose sum is σ = 667688112. Its totient is φ = 333844052.

The previous prime is 500766073. The next prime is 500766137. The reversal of 500766081 is 180667005.

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 500766081 - 2³ = 500766073 is a prime.

It is a super-2 number, since 2×500766081² = 501533335760197122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (500766011) 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, 83461011 + ... + 83461016.

It is an arithmetic number, because the mean of its divisors is an integer number (166922028).

Almost surely, 2^500766081 is an apocalyptic number.

It is an amenable number.

500766081 is a deficient number, since it is larger than the sum of its proper divisors (166922031).

500766081 is a wasteful number, since it uses less digits than its factorization.

500766081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166922030.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 500766081 is about 22377.8033104235. The cubic root of 500766081 is about 794.1056783966.

The spelling of 500766081 in words is "five hundred million, seven hundred sixty-six thousand, eighty-one".