51198163 has 2 divisors, whose sum is σ = 51198164. Its totient is φ = 51198162.

The previous prime is 51198157. The next prime is 51198197. The reversal of 51198163 is 36189115.

51198163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (51198197) can be obtained adding 51198163 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51198163 - 2⁵ = 51198131 is a prime.

It is not a weakly prime, because it can be changed into another prime (51195163) by changing a digit.

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 as a sum of consecutive naturals, namely, 25599081 + 25599082.

It is an arithmetic number, because the mean of its divisors is an integer number (25599082).

Almost surely, 2^51198163 is an apocalyptic number.

51198163 is a deficient number, since it is larger than the sum of its proper divisors (1).

51198163 is an equidigital number, since it uses as much as digits as its factorization.

51198163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 34.

The square root of 51198163 is about 7155.2891625706. The cubic root of 51198163 is about 371.3226656991.

The spelling of 51198163 in words is "fifty-one million, one hundred ninety-eight thousand, one hundred sixty-three".