5251445191 has 2 divisors, whose sum is σ = 5251445192. Its totient is φ = 5251445190.

The previous prime is 5251445041. The next prime is 5251445209. The reversal of 5251445191 is 1915441525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5251445191 - 2¹⁷ = 5251314119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5251445191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5251445791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625722595 + 2625722596.

It is an arithmetic number, because the mean of its divisors is an integer number (2625722596).

Almost surely, 2^5251445191 is an apocalyptic number.

5251445191 is a deficient number, since it is larger than the sum of its proper divisors (1).

5251445191 is an equidigital number, since it uses as much as digits as its factorization.

5251445191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36000, while the sum is 37.

The square root of 5251445191 is about 72466.8558100874. The cubic root of 5251445191 is about 1738.1727847145.

The spelling of 5251445191 in words is "five billion, two hundred fifty-one million, four hundred forty-five thousand, one hundred ninety-one".