5245344242 has 4 divisors (see below), whose sum is σ = 7868016366. Its totient is φ = 2622672120.

The previous prime is 5245344241. The next prime is 5245344253. The reversal of 5245344242 is 2424435425.

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

It can be written as a sum of positive squares in only one way, i.e., 2808046081 + 2437298161 = 52991^2 + 49369^2 .

It is not an unprimeable number, because it can be changed into a prime (5245344241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311336059 + ... + 1311336062.

Almost surely, 2^5245344242 is an apocalyptic number.

5245344242 is a deficient number, since it is larger than the sum of its proper divisors (2622672124).

5245344242 is a wasteful number, since it uses less digits than its factorization.

5245344242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622672123.

The product of its digits is 153600, while the sum is 35.

The square root of 5245344242 is about 72424.7488224847. The cubic root of 5245344242 is about 1737.4994073597.

Adding to 5245344242 its reverse (2424435425), we get a palindrome (7669779667).

The spelling of 5245344242 in words is "five billion, two hundred forty-five million, three hundred forty-four thousand, two hundred forty-two".