5251191 has 16 divisors (see below), whose sum is σ = 7682688. Its totient is φ = 3164000.

The previous prime is 5251189. The next prime is 5251193. The reversal of 5251191 is 1911525.

5251191 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5251189) and next prime (5251193).

It is a cyclic number.

It is not a de Polignac number, because 5251191 - 2¹ = 5251189 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7141 + ... + 7841.

It is an arithmetic number, because the mean of its divisors is an integer number (480168).

Almost surely, 2^5251191 is an apocalyptic number.

5251191 is a deficient number, since it is larger than the sum of its proper divisors (2431497).

5251191 is a wasteful number, since it uses less digits than its factorization.

5251191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942.

The product of its digits is 450, while the sum is 24.

The square root of 5251191 is about 2291.5477302470. The cubic root of 5251191 is about 173.8144739418.

The spelling of 5251191 in words is "five million, two hundred fifty-one thousand, one hundred ninety-one".