427543 has 4 divisors (see below), whose sum is σ = 429640. Its totient is φ = 425448.

The previous prime is 427541. The next prime is 427579. The reversal of 427543 is 345724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427543 - 2¹ = 427541 is a prime.

It is a d-powerful number, because it can be written as 4⁸ + 2¹¹ + 5⁷ + 7 + 4⁹ + 3⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427541) 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, 705 + ... + 1162.

It is an arithmetic number, because the mean of its divisors is an integer number (107410).

2⁴²⁷⁵⁴³ is an apocalyptic number.

427543 is a deficient number, since it is larger than the sum of its proper divisors (2097).

427543 is a wasteful number, since it uses less digits than its factorization.

427543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096.

The product of its digits is 3360, while the sum is 25.

The square root of 427543 is about 653.8677236261. The cubic root of 427543 is about 75.3343883912.

The spelling of 427543 in words is "four hundred twenty-seven thousand, five hundred forty-three".