51254 has 12 divisors (see below), whose sum is σ = 89604. Its totient is φ = 21924.

The previous prime is 51241. The next prime is 51257. The reversal of 51254 is 45215.

51254 = T₁₉ + T₂₀ + ... + T₆₇.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 51254.

It is not an unprimeable number, because it can be changed into a prime (51257) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 164 + ... + 359.

It is an arithmetic number, because the mean of its divisors is an integer number (7467).

2⁵¹²⁵⁴ is an apocalyptic number.

51254 is a deficient number, since it is larger than the sum of its proper divisors (38350).

51254 is a wasteful number, since it uses less digits than its factorization.

51254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 532 counting only the distinct ones).

The product of its digits is 200, while the sum is 17.

The square root of 51254 is about 226.3934628031. The cubic root of 51254 is about 37.1457605507.

Adding to 51254 its reverse (45215), we get a palindrome (96469).

The spelling of 51254 in words is "fifty-one thousand, two hundred fifty-four".