51270163 has 8 divisors (see below), whose sum is σ = 59397728. Its totient is φ = 43343424.

The previous prime is 51270157. The next prime is 51270199. The reversal of 51270163 is 36107215.

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 51270163 - 2¹⁷ = 51139091 is a prime.

It is a super-2 number, since 2×51270163² = 5257259228093138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51270103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49656 + ... + 50677.

It is an arithmetic number, because the mean of its divisors is an integer number (7424716).

Almost surely, 2^51270163 is an apocalyptic number.

51270163 is a deficient number, since it is larger than the sum of its proper divisors (8127565).

51270163 is a wasteful number, since it uses less digits than its factorization.

51270163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100413.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 51270163 is about 7160.3186381613. The cubic root of 51270163 is about 371.4966479122.

Adding to 51270163 its reverse (36107215), we get a palindrome (87377378).

The spelling of 51270163 in words is "fifty-one million, two hundred seventy thousand, one hundred sixty-three".