5651251279 has 2 divisors, whose sum is σ = 5651251280. Its totient is φ = 5651251278.

The previous prime is 5651251219. The next prime is 5651251297. The reversal of 5651251279 is 9721521565.

Together with next prime (5651251297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5651251279 - 2⁹ = 5651250767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5651251219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2825625639 + 2825625640.

It is an arithmetic number, because the mean of its divisors is an integer number (2825625640).

Almost surely, 2^5651251279 is an apocalyptic number.

5651251279 is a deficient number, since it is larger than the sum of its proper divisors (1).

5651251279 is an equidigital number, since it uses as much as digits as its factorization.

5651251279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 43.

The square root of 5651251279 is about 75174.8048151773. The cubic root of 5651251279 is about 1781.2089669111.

The spelling of 5651251279 in words is "five billion, six hundred fifty-one million, two hundred fifty-one thousand, two hundred seventy-nine".