501007217 has 4 divisors (see below), whose sum is σ = 503806320. Its totient is φ = 498208116.

The previous prime is 501007189. The next prime is 501007223. The reversal of 501007217 is 712700105.

It is a happy number.

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 501007217 - 2¹⁶ = 500941681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 501007192 and 501007201.

It is not an unprimeable number, because it can be changed into a prime (501007817) 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, 1399283 + ... + 1399640.

It is an arithmetic number, because the mean of its divisors is an integer number (125951580).

Almost surely, 2^501007217 is an apocalyptic number.

It is an amenable number.

501007217 is a deficient number, since it is larger than the sum of its proper divisors (2799103).

501007217 is a wasteful number, since it uses less digits than its factorization.

501007217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799102.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 501007217 is about 22383.1905009094. The cubic root of 501007217 is about 794.2331209600.

The spelling of 501007217 in words is "five hundred one million, seven thousand, two hundred seventeen".