3518 has 4 divisors (see below), whose sum is σ = 5280. Its totient is φ = 1758.

The previous prime is 3517. The next prime is 3527. The reversal of 3518 is 8153.

3518 is nontrivially palindromic in base 6.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8153 = 31 ⋅263.

It is a magnanimous number.

It is a junction number, because it is equal to n+sod(n) for n = 3496 and 3505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 878 + ... + 881.

It is an arithmetic number, because the mean of its divisors is an integer number (1320).

2³⁵¹⁸ is an apocalyptic number.

3518 is a deficient number, since it is larger than the sum of its proper divisors (1762).

3518 is a wasteful number, since it uses less digits than its factorization.

3518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761.

The product of its digits is 120, while the sum is 17.

The square root of 3518 is about 59.3127305053. The cubic root of 3518 is about 15.2089282726.

It can be divided in two parts, 35 and 18, that multiplied together give a triangular number (630 = T₃₅).

The spelling of 3518 in words is "three thousand, five hundred eighteen".