427003 has 4 divisors (see below), whose sum is σ = 428688. Its totient is φ = 425320.

The previous prime is 427001. The next prime is 427013. The reversal of 427003 is 300724.

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 427003 - 2¹ = 427001 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427001) 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, 376 + ... + 997.

It is an arithmetic number, because the mean of its divisors is an integer number (107172).

2⁴²⁷⁰⁰³ is an apocalyptic number.

427003 is a deficient number, since it is larger than the sum of its proper divisors (1685).

427003 is a wasteful number, since it uses less digits than its factorization.

427003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 427003 is about 653.4546656043. The cubic root of 427003 is about 75.3026584765.

Adding to 427003 its reverse (300724), we get a palindrome (727727).

The spelling of 427003 in words is "four hundred twenty-seven thousand, three", and thus it is an iban number.