2668271 has 2 divisors, whose sum is σ = 2668272. Its totient is φ = 2668270.

The previous prime is 2668249. The next prime is 2668277. The reversal of 2668271 is 1728662.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2668271 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 (2668277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334135 + 1334136.

It is an arithmetic number, because the mean of its divisors is an integer number (1334136).

2^2668271 is an apocalyptic number.

2668271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2668271 is an equidigital number, since it uses as much as digits as its factorization.

2668271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 2668271 is about 1633.4843127499. The cubic root of 2668271 is about 138.7000588601.

The spelling of 2668271 in words is "two million, six hundred sixty-eight thousand, two hundred seventy-one".