5609951251 has 2 divisors, whose sum is σ = 5609951252. Its totient is φ = 5609951250.

The previous prime is 5609951233. The next prime is 5609951297. The reversal of 5609951251 is 1521599065.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5609951251 - 2¹¹ = 5609949203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5609951198 and 5609951207.

It is not a weakly prime, because it can be changed into another prime (5609951051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2804975625 + 2804975626.

It is an arithmetic number, because the mean of its divisors is an integer number (2804975626).

Almost surely, 2^5609951251 is an apocalyptic number.

5609951251 is a deficient number, since it is larger than the sum of its proper divisors (1).

5609951251 is an equidigital number, since it uses as much as digits as its factorization.

5609951251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121500, while the sum is 43.

The square root of 5609951251 is about 74899.6078160627. The cubic root of 5609951251 is about 1776.8592567003.

The spelling of 5609951251 in words is "five billion, six hundred nine million, nine hundred fifty-one thousand, two hundred fifty-one".