51173162003 has 2 divisors, whose sum is σ = 51173162004. Its totient is φ = 51173162002.

The previous prime is 51173161993. The next prime is 51173162041. The reversal of 51173162003 is 30026137115.

51173162003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51173162003 - 2²⁴ = 51156384787 is a prime.

It is not a weakly prime, because it can be changed into another prime (51173162083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25586581001 + 25586581002.

It is an arithmetic number, because the mean of its divisors is an integer number (25586581002).

Almost surely, 2^51173162003 is an apocalyptic number.

51173162003 is a deficient number, since it is larger than the sum of its proper divisors (1).

51173162003 is an equidigital number, since it uses as much as digits as its factorization.

51173162003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

Adding to 51173162003 its reverse (30026137115), we get a palindrome (81199299118).

The spelling of 51173162003 in words is "fifty-one billion, one hundred seventy-three million, one hundred sixty-two thousand, three".