51262163 has 2 divisors, whose sum is σ = 51262164. Its totient is φ = 51262162.

The previous prime is 51262139. The next prime is 51262181. The reversal of 51262163 is 36126215.

51262163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51262163 - 2¹⁰ = 51261139 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51262363) 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, 25631081 + 25631082.

It is an arithmetic number, because the mean of its divisors is an integer number (25631082).

Almost surely, 2^51262163 is an apocalyptic number.

51262163 is a deficient number, since it is larger than the sum of its proper divisors (1).

51262163 is an equidigital number, since it uses as much as digits as its factorization.

51262163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 51262163 is about 7159.7599820106. The cubic root of 51262163 is about 371.4773246021.

Adding to 51262163 its reverse (36126215), we get a palindrome (87388378).

The spelling of 51262163 in words is "fifty-one million, two hundred sixty-two thousand, one hundred sixty-three".