5221561259 has 4 divisors (see below), whose sum is σ = 5226270720. Its totient is φ = 5216851800.

The previous prime is 5221561253. The next prime is 5221561297. The reversal of 5221561259 is 9521651225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5221561259 - 2⁸ = 5221561003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5221561253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2353067 + ... + 2355284.

It is an arithmetic number, because the mean of its divisors is an integer number (1306567680).

Almost surely, 2^5221561259 is an apocalyptic number.

5221561259 is a deficient number, since it is larger than the sum of its proper divisors (4709461).

5221561259 is a wasteful number, since it uses less digits than its factorization.

5221561259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4709460.

The product of its digits is 54000, while the sum is 38.

The square root of 5221561259 is about 72260.3712902169. The cubic root of 5221561259 is about 1734.8694223028.

The spelling of 5221561259 in words is "five billion, two hundred twenty-one million, five hundred sixty-one thousand, two hundred fifty-nine".