63018 has 20 divisors (see below), whose sum is σ = 141570. Its totient is φ = 20952.

The previous prime is 62989. The next prime is 63029. The reversal of 63018 is 81036.

It can be written as a sum of positive squares in only one way, i.e., 59049 + 3969 = 243^2 + 63^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 33 + ... + 356.

2⁶³⁰¹⁸ is an apocalyptic number.

63018 is an abundant number, since it is smaller than the sum of its proper divisors (78552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63018 is a wasteful number, since it uses less digits than its factorization.

63018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 63018 is about 251.0338622577. The cubic root of 63018 is about 39.7943612964.

Adding to 63018 its sum of digits (18), we get a palindrome (63036).

The spelling of 63018 in words is "sixty-three thousand, eighteen".