5115253442 has 8 divisors (see below), whose sum is σ = 8263101756. Its totient is φ = 2360886192.

The previous prime is 5115253417. The next prime is 5115253477. The reversal of 5115253442 is 2443525115.

It is a Cunningham number, because it is equal to 71521²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 5115253441 + 1 = 71521^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 5115253399 and 5115253408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98370233 + ... + 98370284.

Almost surely, 2^5115253442 is an apocalyptic number.

5115253442 is a deficient number, since it is larger than the sum of its proper divisors (3147848314).

5115253442 is a wasteful number, since it uses less digits than its factorization.

5115253442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196740532.

The product of its digits is 24000, while the sum is 32.

The square root of 5115253442 is about 71521.0000069910. Note that the first 5 decimals coincide. The cubic root of 5115253442 is about 1723.0149754144.

Adding to 5115253442 its reverse (2443525115), we get a palindrome (7558778557).

The spelling of 5115253442 in words is "five billion, one hundred fifteen million, two hundred fifty-three thousand, four hundred forty-two".