501005065 has 8 divisors (see below), whose sum is σ = 655861248. Its totient is φ = 364367280.

The previous prime is 501005051. The next prime is 501005077. The reversal of 501005065 is 560500105.

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

It is not a de Polignac number, because 501005065 - 2⁷ = 501004937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4554537 + ... + 4554646.

It is an arithmetic number, because the mean of its divisors is an integer number (81982656).

Almost surely, 2^501005065 is an apocalyptic number.

501005065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

501005065 is a deficient number, since it is larger than the sum of its proper divisors (154856183).

501005065 is a wasteful number, since it uses less digits than its factorization.

501005065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9109199.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 501005065 is about 22383.1424290692. The cubic root of 501005065 is about 794.2319837893.

The spelling of 501005065 in words is "five hundred one million, five thousand, sixty-five".