2478271 has 2 divisors, whose sum is σ = 2478272. Its totient is φ = 2478270.

The previous prime is 2478269. The next prime is 2478293. The reversal of 2478271 is 1728742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2478271 - 2¹ = 2478269 is a prime.

It is a super-3 number, since 3×2478271³ = 45663336334416889533, which contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 2478269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2478211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239135 + 1239136.

It is an arithmetic number, because the mean of its divisors is an integer number (1239136).

2^2478271 is an apocalyptic number.

2478271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2478271 is an equidigital number, since it uses as much as digits as its factorization.

2478271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6272, while the sum is 31.

The square root of 2478271 is about 1574.2525210397. The cubic root of 2478271 is about 135.3265255513.

The spelling of 2478271 in words is "two million, four hundred seventy-eight thousand, two hundred seventy-one".