51275 has 12 divisors (see below), whose sum is σ = 72912. Its totient is φ = 35040.

The previous prime is 51263. The next prime is 51283. The reversal of 51275 is 57215.

It is a de Polignac number, because none of the positive numbers 2^k-51275 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29 + ... + 321.

It is an arithmetic number, because the mean of its divisors is an integer number (6076).

2⁵¹²⁷⁵ is an apocalyptic number.

51275 is a deficient number, since it is larger than the sum of its proper divisors (21637).

51275 is a wasteful number, since it uses less digits than its factorization.

51275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 305 counting only the distinct ones).

The product of its digits is 350, while the sum is 20.

The square root of 51275 is about 226.4398374845. The cubic root of 51275 is about 37.1508330294.

The spelling of 51275 in words is "fifty-one thousand, two hundred seventy-five".