5163216251 has 8 divisors (see below), whose sum is σ = 5480575344. Its totient is φ = 4847372800.

The previous prime is 5163216241. The next prime is 5163216281. The reversal of 5163216251 is 1526123615.

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

It is a cyclic number.

It is not a de Polignac number, because 5163216251 - 2⁶ = 5163216187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5163216241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371885 + ... + 385518.

It is an arithmetic number, because the mean of its divisors is an integer number (685071918).

Almost surely, 2^5163216251 is an apocalyptic number.

5163216251 is a deficient number, since it is larger than the sum of its proper divisors (317359093).

5163216251 is a wasteful number, since it uses less digits than its factorization.

5163216251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757821.

The product of its digits is 10800, while the sum is 32.

The square root of 5163216251 is about 71855.5234550553. The cubic root of 5163216251 is about 1728.3834734353.

Adding to 5163216251 its reverse (1526123615), we get a palindrome (6689339866).

The spelling of 5163216251 in words is "five billion, one hundred sixty-three million, two hundred sixteen thousand, two hundred fifty-one".