216514 has 8 divisors (see below), whose sum is σ = 336060. Its totient is φ = 104496.

The previous prime is 216509. The next prime is 216523. The reversal of 216514 is 415612.

216514 = 72² + 73² + ... + 100².

216514 is nontrivially palindromic in base 15.

216514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 216225 + 289 = 465^2 + 17^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 216491 and 216500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1809 + ... + 1924.

2²¹⁶⁵¹⁴ is an apocalyptic number.

216514 is a deficient number, since it is larger than the sum of its proper divisors (119546).

216514 is a wasteful number, since it uses less digits than its factorization.

216514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764.

The product of its digits is 240, while the sum is 19.

The square root of 216514 is about 465.3106489218. The cubic root of 216514 is about 60.0475548915.

The spelling of 216514 in words is "two hundred sixteen thousand, five hundred fourteen".