501087163 has 8 divisors (see below), whose sum is σ = 514437120. Its totient is φ = 487849320.

The previous prime is 501087157. The next prime is 501087187. The reversal of 501087163 is 361780105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 501087163 - 2¹³ = 501078971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501087863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18933 + ... + 36886.

It is an arithmetic number, because the mean of its divisors is an integer number (64304640).

Almost surely, 2^501087163 is an apocalyptic number.

501087163 is a deficient number, since it is larger than the sum of its proper divisors (13349957).

501087163 is a wasteful number, since it uses less digits than its factorization.

501087163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56057.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 501087163 is about 22384.9762787455. The cubic root of 501087163 is about 794.2753641200.

The spelling of 501087163 in words is "five hundred one million, eighty-seven thousand, one hundred sixty-three".