63418 has 8 divisors (see below), whose sum is σ = 97812. Its totient is φ = 30816.

The previous prime is 63409. The next prime is 63419. The reversal of 63418 is 81436.

63418 = 22² + 23² + ... + 58².

It can be written as a sum of positive squares in 2 ways, for example, as 49729 + 13689 = 223^2 + 117^2 .

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

It is an Ulam number.

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

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (63419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355 + ... + 502.

2⁶³⁴¹⁸ is an apocalyptic number.

63418 is a deficient number, since it is larger than the sum of its proper divisors (34394).

63418 is a wasteful number, since it uses less digits than its factorization.

63418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896.

The product of its digits is 576, while the sum is 22.

The square root of 63418 is about 251.8293072698. The cubic root of 63418 is about 39.8783805928.

The spelling of 63418 in words is "sixty-three thousand, four hundred eighteen".