563418 has 24 divisors (see below), whose sum is σ = 1235988. Its totient is φ = 185472.

The previous prime is 563417. The next prime is 563419. The reversal of 563418 is 814365.

It is an interprime number because it is at equal distance from previous prime (563417) and next prime (563419).

It can be written as a sum of positive squares in 2 ways, for example, as 431649 + 131769 = 657^2 + 363^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 563391 and 563400.

It is not an unprimeable number, because it can be changed into a prime (563411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1896 + ... + 2172.

2⁵⁶³⁴¹⁸ is an apocalyptic number.

563418 is an abundant number, since it is smaller than the sum of its proper divisors (672570).

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

563418 is a wasteful number, since it uses less digits than its factorization.

563418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 395 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 563418 is about 750.6117505075. The cubic root of 563418 is about 82.5930630261.

Subtracting from 563418 its sum of digits (27), we obtain a triangular number (563391 = T₁₀₆₁).

The spelling of 563418 in words is "five hundred sixty-three thousand, four hundred eighteen".