5128217 has 4 divisors (see below), whose sum is σ = 5237376. Its totient is φ = 5019060.

The previous prime is 5128213. The next prime is 5128219. The reversal of 5128217 is 7128215.

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 5128217 - 2² = 5128213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5128213) 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, 54509 + ... + 54602.

It is an arithmetic number, because the mean of its divisors is an integer number (1309344).

Almost surely, 2^5128217 is an apocalyptic number.

It is an amenable number.

5128217 is a deficient number, since it is larger than the sum of its proper divisors (109159).

5128217 is a wasteful number, since it uses less digits than its factorization.

5128217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109158.

The product of its digits is 1120, while the sum is 26.

The square root of 5128217 is about 2264.5566895090. The cubic root of 5128217 is about 172.4469289936.

The spelling of 5128217 in words is "five million, one hundred twenty-eight thousand, two hundred seventeen".