5156217 has 28 divisors (see below), whose sum is σ = 8446704. Its totient is φ = 3120120.

The previous prime is 5156213. The next prime is 5156227. The reversal of 5156217 is 7126515.

It is not a de Polignac number, because 5156217 - 2² = 5156213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

5156217 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5156213) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 7698 + ... + 8340.

It is an arithmetic number, because the mean of its divisors is an integer number (301668).

Almost surely, 2^5156217 is an apocalyptic number.

It is an amenable number.

5156217 is a deficient number, since it is larger than the sum of its proper divisors (3290487).

5156217 is an equidigital number, since it uses as much as digits as its factorization.

5156217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 657 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 5156217 is about 2270.7304992006. The cubic root of 5156217 is about 172.7602121936.

The spelling of 5156217 in words is "five million, one hundred fifty-six thousand, two hundred seventeen".