51074 has 4 divisors (see below), whose sum is σ = 76614. Its totient is φ = 25536.

The previous prime is 51071. The next prime is 51109. The reversal of 51074 is 47015.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47015 = 5 ⋅9403.

It can be written as a sum of positive squares in only one way, i.e., 30625 + 20449 = 175^2 + 143^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51071) 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 as a sum of consecutive naturals, namely, 12767 + ... + 12770.

2⁵¹⁰⁷⁴ is an apocalyptic number.

51074 is a deficient number, since it is larger than the sum of its proper divisors (25540).

51074 is a wasteful number, since it uses less digits than its factorization.

51074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25539.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 51074 is about 225.9955751779. The cubic root of 51074 is about 37.1022252209.

Adding to 51074 its reverse (47015), we get a palindrome (98089).

The spelling of 51074 in words is "fifty-one thousand, seventy-four".