2821267 has 2 divisors, whose sum is σ = 2821268. Its totient is φ = 2821266.

The previous prime is 2821229. The next prime is 2821277. The reversal of 2821267 is 7621282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2821267 - 2¹⁹ = 2296979 is a prime.

It is not a weakly prime, because it can be changed into another prime (2821277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410633 + 1410634.

It is an arithmetic number, because the mean of its divisors is an integer number (1410634).

2^2821267 is an apocalyptic number.

2821267 is a deficient number, since it is larger than the sum of its proper divisors (1).

2821267 is an equidigital number, since it uses as much as digits as its factorization.

2821267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

The square root of 2821267 is about 1679.6627637713. The cubic root of 2821267 is about 141.3019199844.

The spelling of 2821267 in words is "two million, eight hundred twenty-one thousand, two hundred sixty-seven".