5221625569 has 2 divisors, whose sum is σ = 5221625570. Its totient is φ = 5221625568.

The previous prime is 5221625557. The next prime is 5221625593. The reversal of 5221625569 is 9655261225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2747856400 + 2473769169 = 52420^2 + 49737^2 .

It is a cyclic number.

It is not a de Polignac number, because 5221625569 - 2⁷ = 5221625441 is a prime.

It is a super-2 number, since 2×5221625569² = 54530747165669147522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5221625509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610812784 + 2610812785.

It is an arithmetic number, because the mean of its divisors is an integer number (2610812785).

Almost surely, 2^5221625569 is an apocalyptic number.

It is an amenable number.

5221625569 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221625569 is an equidigital number, since it uses as much as digits as its factorization.

5221625569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324000, while the sum is 43.

The square root of 5221625569 is about 72260.8162768730. The cubic root of 5221625569 is about 1734.8765446294.

The spelling of 5221625569 in words is "five billion, two hundred twenty-one million, six hundred twenty-five thousand, five hundred sixty-nine".