2864291 has 2 divisors, whose sum is σ = 2864292. Its totient is φ = 2864290.

The previous prime is 2864261. The next prime is 2864293. The reversal of 2864291 is 1924682.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2864291 is a prime.

Together with 2864293, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2864293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432145 + 1432146.

It is an arithmetic number, because the mean of its divisors is an integer number (1432146).

2^2864291 is an apocalyptic number.

2864291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2864291 is an equidigital number, since it uses as much as digits as its factorization.

2864291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 2864291 is about 1692.4216377723. The cubic root of 2864291 is about 142.0165787692.

The spelling of 2864291 in words is "two million, eight hundred sixty-four thousand, two hundred ninety-one".