2638271 has 2 divisors, whose sum is σ = 2638272. Its totient is φ = 2638270.

The previous prime is 2638267. The next prime is 2638297. The reversal of 2638271 is 1728362.

It is a happy number.

2638271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2638271 - 2² = 2638267 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 6 + 3² + 8 + 2²¹ + 7⁵ + 1 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2638201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319135 + 1319136.

It is an arithmetic number, because the mean of its divisors is an integer number (1319136).

2^2638271 is an apocalyptic number.

2638271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2638271 is an equidigital number, since it uses as much as digits as its factorization.

2638271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 2638271 is about 1624.2755308137. The cubic root of 2638271 is about 138.1782859864.

Subtracting from 2638271 its reverse (1728362), we obtain a palindrome (909909).

The spelling of 2638271 in words is "two million, six hundred thirty-eight thousand, two hundred seventy-one".