5721851251 has 2 divisors, whose sum is σ = 5721851252. Its totient is φ = 5721851250.

The previous prime is 5721851249. The next prime is 5721851297. The reversal of 5721851251 is 1521581275.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5721851251 - 2¹ = 5721851249 is a prime.

Together with 5721851249, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5721851251.

It is not a weakly prime, because it can be changed into another prime (5721851231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2860925625 + 2860925626.

It is an arithmetic number, because the mean of its divisors is an integer number (2860925626).

Almost surely, 2^5721851251 is an apocalyptic number.

5721851251 is a deficient number, since it is larger than the sum of its proper divisors (1).

5721851251 is an equidigital number, since it uses as much as digits as its factorization.

5721851251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28000, while the sum is 37.

The square root of 5721851251 is about 75642.9193712141. The cubic root of 5721851251 is about 1788.5957225800.

The spelling of 5721851251 in words is "five billion, seven hundred twenty-one million, eight hundred fifty-one thousand, two hundred fifty-one".