2427 has 4 divisors (see below), whose sum is σ = 3240. Its totient is φ = 1616.
The previous prime is 2423. The next prime is 2437. The reversal of 2427 is 7242.
2427 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.
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 2427 - 22 = 2423 is a prime.
It is a d-powerful number, because it can be written as 25 + 211 + 4 + 73 .
It is a D-number.
2427 is a modest number, since divided by 27 gives 24 as remainder.
2427 is a lucky number.
It is a plaindrome in base 13 and base 15.
It is a nialpdrome in base 14.
It is not an unprimeable number, because it can be changed into a prime (2423) 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, 402 + ... + 407.
It is an arithmetic number, because the mean of its divisors is an integer number (810).
2427 is a deficient number, since it is larger than the sum of its proper divisors (813).
2427 is an equidigital number, since it uses as much as digits as its factorization.
2427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 812.
The product of its digits is 112, while the sum is 15.
The square root of 2427 is about 49.2645917470. The cubic root of 2427 is about 13.4386793629.
Adding to 2427 its sum of digits (15), we get a palindrome (2442).
Adding to 2427 its reverse (7242), we get a palindrome (9669).
The spelling of 2427 in words is "two thousand, four hundred twenty-seven", and thus it is an iban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •