51335 has 4 divisors (see below), whose sum is σ = 61608. Its totient is φ = 41064.

The previous prime is 51329. The next prime is 51341. The reversal of 51335 is 53315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53315 = 5 ⋅10663.

It is an interprime number because it is at equal distance from previous prime (51329) and next prime (51341).

It is a cyclic number.

It is not a de Polignac number, because 51335 - 2¹⁰ = 50311 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 5129 + ... + 5138.

It is an arithmetic number, because the mean of its divisors is an integer number (15402).

2⁵¹³³⁵ is an apocalyptic number.

51335 is a deficient number, since it is larger than the sum of its proper divisors (10273).

51335 is a wasteful number, since it uses less digits than its factorization.

51335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10272.

The product of its digits is 225, while the sum is 17.

The square root of 51335 is about 226.5722842715. The cubic root of 51335 is about 37.1653181982.

It can be divided in two parts, 513 and 35, that multiplied together give a triangular number (17955 = T₁₈₉).

The spelling of 51335 in words is "fifty-one thousand, three hundred thirty-five".