427563 has 6 divisors (see below), whose sum is σ = 617604. Its totient is φ = 285036.

The previous prime is 427541. The next prime is 427579. The reversal of 427563 is 365724.

It is a happy number.

It is not a de Polignac number, because 427563 - 2⁸ = 427307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23745 + ... + 23762.

It is an arithmetic number, because the mean of its divisors is an integer number (102934).

2⁴²⁷⁵⁶³ is an apocalyptic number.

427563 is a deficient number, since it is larger than the sum of its proper divisors (190041).

427563 is a wasteful number, since it uses less digits than its factorization.

427563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47513 (or 47510 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 427563 is about 653.8830170604. The cubic root of 427563 is about 75.3355630600.

It can be divided in two parts, 427 and 563, that added together give a triangular number (990 = T₄₄).

The spelling of 427563 in words is "four hundred twenty-seven thousand, five hundred sixty-three".