51273 has 12 divisors (see below), whose sum is σ = 77168. Its totient is φ = 34020.

The previous prime is 51263. The next prime is 51283. The reversal of 51273 is 37215.

It is an interprime number because it is at equal distance from previous prime (51263) and next prime (51283).

It is not a de Polignac number, because 51273 - 2⁴ = 51257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (51203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138 + ... + 348.

2⁵¹²⁷³ is an apocalyptic number.

It is an amenable number.

51273 is a deficient number, since it is larger than the sum of its proper divisors (25895).

51273 is an equidigital number, since it uses as much as digits as its factorization.

51273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 214 counting only the distinct ones).

The product of its digits is 210, while the sum is 18.

The square root of 51273 is about 226.4354212574. The cubic root of 51273 is about 37.1503499958.

Adding to 51273 its reverse (37215), we get a palindrome (88488).

It can be divided in two parts, 512 and 73, that added together give a palindrome (585).

The spelling of 51273 in words is "fifty-one thousand, two hundred seventy-three".