516874 has 4 divisors (see below), whose sum is σ = 775314. Its totient is φ = 258436.

The previous prime is 516871. The next prime is 516877. The reversal of 516874 is 478615.

516874 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 478615 = 5 ⋅95723.

It is an interprime number because it is at equal distance from previous prime (516871) and next prime (516877).

It can be written as a sum of positive squares in only one way, i.e., 308025 + 208849 = 555^2 + 457^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (516871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129217 + ... + 129220.

2⁵¹⁶⁸⁷⁴ is an apocalyptic number.

516874 is a deficient number, since it is larger than the sum of its proper divisors (258440).

516874 is a wasteful number, since it uses less digits than its factorization.

516874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258439.

The product of its digits is 6720, while the sum is 31.

The square root of 516874 is about 718.9394967589. The cubic root of 516874 is about 80.2530528757.

The spelling of 516874 in words is "five hundred sixteen thousand, eight hundred seventy-four".