5225278609 has 4 divisors (see below), whose sum is σ = 5405460660. Its totient is φ = 5045096560.

The previous prime is 5225278603. The next prime is 5225278691. The reversal of 5225278609 is 9068725225.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2103598225 + 3121680384 = 45865^2 + 55872^2 .

It is a cyclic number.

It is not a de Polignac number, because 5225278609 - 2¹¹ = 5225276561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5225278603) 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, 90090982 + ... + 90091039.

It is an arithmetic number, because the mean of its divisors is an integer number (1351365165).

Almost surely, 2^5225278609 is an apocalyptic number.

It is an amenable number.

5225278609 is a deficient number, since it is larger than the sum of its proper divisors (180182051).

5225278609 is a wasteful number, since it uses less digits than its factorization.

5225278609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180182050.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 5225278609 is about 72286.0886270657. The cubic root of 5225278609 is about 1735.2810225061.

The spelling of 5225278609 in words is "five billion, two hundred twenty-five million, two hundred seventy-eight thousand, six hundred nine".