427243 has 2 divisors, whose sum is σ = 427244. Its totient is φ = 427242.

The previous prime is 427241. The next prime is 427247. The reversal of 427243 is 342724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427243 - 2¹ = 427241 is a prime.

Together with 427241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (427241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213621 + 213622.

It is an arithmetic number, because the mean of its divisors is an integer number (213622).

2⁴²⁷²⁴³ is an apocalyptic number.

427243 is a deficient number, since it is larger than the sum of its proper divisors (1).

427243 is an equidigital number, since it uses as much as digits as its factorization.

427243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 22.

The square root of 427243 is about 653.6382791728. The cubic root of 427243 is about 75.3167639614.

Adding to 427243 its reverse (342724), we get a palindrome (769967).

The spelling of 427243 in words is "four hundred twenty-seven thousand, two hundred forty-three", and thus it is an iban number.