5242254422409 has 27 divisors (see below), whose sum is σ = 7782706309287. Its totient is φ = 3400216395984.

The previous prime is 5242254422351. The next prime is 5242254422527. The reversal of 5242254422409 is 9042244522425.

The square root of 5242254422409 is 2289597.

It is a perfect power (a square), and thus also a powerful number.

5242254422409 is a `hidden beast` number, since 5 + 2 + 42 + 2 + 544 + 22 + 40 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4690841247225 + 551413175184 = 2165835^2 + 742572^2 .

It is not a de Polignac number, because 5242254422409 - 2²¹ = 5242252325257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5242254422809) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 254134954 + ... + 254155580.

Almost surely, 2^{5242254422409} is an apocalyptic number.

5242254422409 is the 2289597-th square number.

5242254422409 is the 1144799-th centered octagonal number.

It is an amenable number.

5242254422409 is a deficient number, since it is larger than the sum of its proper divisors (2540451886878).

5242254422409 is an frugal number, since it uses more digits than its factorization.

5242254422409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41334 (or 20667 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 45.

The spelling of 5242254422409 in words is "five trillion, two hundred forty-two billion, two hundred fifty-four million, four hundred twenty-two thousand, four hundred nine".