2631271 has 2 divisors, whose sum is σ = 2631272. Its totient is φ = 2631270.

The previous prime is 2631263. The next prime is 2631281. The reversal of 2631271 is 1721362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2631271 - 2³ = 2631263 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2631221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315635 + 1315636.

It is an arithmetic number, because the mean of its divisors is an integer number (1315636).

2^2631271 is an apocalyptic number.

2631271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2631271 is an equidigital number, since it uses as much as digits as its factorization.

2631271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 22.

The square root of 2631271 is about 1622.1192927772. The cubic root of 2631271 is about 138.0559704350.

Subtracting from 2631271 its reverse (1721362), we obtain a palindrome (909909).

The spelling of 2631271 in words is "two million, six hundred thirty-one thousand, two hundred seventy-one".