5151223 has 24 divisors (see below), whose sum is σ = 6894720. Its totient is φ = 3795120.

The previous prime is 5151217. The next prime is 5151227. The reversal of 5151223 is 3221515.

It is not a de Polignac number, because 5151223 - 2⁵ = 5151191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 5151223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5151227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9990 + ... + 10492.

It is an arithmetic number, because the mean of its divisors is an integer number (287280).

Almost surely, 2^5151223 is an apocalyptic number.

5151223 is a deficient number, since it is larger than the sum of its proper divisors (1743497).

5151223 is a wasteful number, since it uses less digits than its factorization.

5151223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 540 counting only the distinct ones).

The product of its digits is 300, while the sum is 19.

The square root of 5151223 is about 2269.6305866815. The cubic root of 5151223 is about 172.7044191454.

Adding to 5151223 its reverse (3221515), we get a palindrome (8372738).

The spelling of 5151223 in words is "five million, one hundred fifty-one thousand, two hundred twenty-three".