5091217 has 4 divisors (see below), whose sum is σ = 5120820. Its totient is φ = 5061616.

The previous prime is 5091199. The next prime is 5091227. The reversal of 5091217 is 7121905.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4682896 + 408321 = 2164^2 + 639^2 .

It is a cyclic number.

It is not a de Polignac number, because 5091217 - 2¹⁹ = 4566929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5091191 and 5091200.

It is not an unprimeable number, because it can be changed into a prime (5091227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14542 + ... + 14887.

It is an arithmetic number, because the mean of its divisors is an integer number (1280205).

Almost surely, 2^5091217 is an apocalyptic number.

It is an amenable number.

5091217 is a deficient number, since it is larger than the sum of its proper divisors (29603).

5091217 is a wasteful number, since it uses less digits than its factorization.

5091217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29602.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 5091217 is about 2256.3725312989. The cubic root of 5091217 is about 172.0311936393.

The spelling of 5091217 in words is "five million, ninety-one thousand, two hundred seventeen".