51234273 has 12 divisors (see below), whose sum is σ = 74261460. Its totient is φ = 34037856.

The previous prime is 51234259. The next prime is 51234299. The reversal of 51234273 is 37243215.

51234273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 21455424 + 29778849 = 4632^2 + 5457^2 .

It is not a de Polignac number, because 51234273 - 2⁴ = 51234257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51234173) 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 in 11 ways as a sum of consecutive naturals, for example, 7078 + ... + 12351.

It is an arithmetic number, because the mean of its divisors is an integer number (6188455).

Almost surely, 2^51234273 is an apocalyptic number.

It is an amenable number.

51234273 is a deficient number, since it is larger than the sum of its proper divisors (23027187).

51234273 is a wasteful number, since it uses less digits than its factorization.

51234273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19728 (or 19725 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 51234273 is about 7157.8120260314. The cubic root of 51234273 is about 371.4099429866.

Adding to 51234273 its reverse (37243215), we get a palindrome (88477488).

The spelling of 51234273 in words is "fifty-one million, two hundred thirty-four thousand, two hundred seventy-three".