10427 has 2 divisors, whose sum is σ = 10428.
Its totient is φ = 10426.
The previous prime is 10399. The next prime is 10429. The reversal of 10427 is 72401.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 10427 - 210 = 9403 is a prime.
Together with 10429, it forms a pair of twin primes.
It is a Chen prime.
It is a plaindrome in base 16.
It is not a weakly prime, because it can be changed into another prime (10429) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5213 + 5214.
It is an arithmetic number, because the mean of its divisors is an integer number (5214).
210427 is an apocalyptic number.
10427 is a deficient number, since it is larger than the sum of its proper divisors (1).
10427 is an equidigital number, since it uses as much as digits as its factorization.
10427 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 56, while the sum is 14.
The square root of 10427 is about 102.1126828558.
The cubic root of 10427 is about 21.8467308303.
Adding to 10427 its reverse (72401), we get a palindrome (82828).
It can be divided in two parts, 104 and 27, that added together give a palindrome (131).
The spelling of 10427 in words is "ten thousand, four hundred twenty-seven", and thus it is an iban number.