500947851 has 4 divisors (see below), whose sum is σ = 667930472. Its totient is φ = 333965232.

The previous prime is 500947801. The next prime is 500947859. The reversal of 500947851 is 158749005.

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

It is not a de Polignac number, because 500947851 - 2⁷ = 500947723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500947859) 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, 83491306 + ... + 83491311.

It is an arithmetic number, because the mean of its divisors is an integer number (166982618).

Almost surely, 2^500947851 is an apocalyptic number.

500947851 is a deficient number, since it is larger than the sum of its proper divisors (166982621).

500947851 is a wasteful number, since it uses less digits than its factorization.

500947851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166982620.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 500947851 is about 22381.8643325349. The cubic root of 500947851 is about 794.2017492856.

The spelling of 500947851 in words is "five hundred million, nine hundred forty-seven thousand, eight hundred fifty-one".