2259811 has 2 divisors, whose sum is σ = 2259812. Its totient is φ = 2259810.

The previous prime is 2259791. The next prime is 2259823. The reversal of 2259811 is 1189522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2259811 - 2¹¹ = 2257763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2259811.

It is not a weakly prime, because it can be changed into another prime (2259871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129905 + 1129906.

It is an arithmetic number, because the mean of its divisors is an integer number (1129906).

2^2259811 is an apocalyptic number.

2259811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2259811 is an equidigital number, since it uses as much as digits as its factorization.

2259811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 28.

The square root of 2259811 is about 1503.2667760581. The cubic root of 2259811 is about 131.2272535033.

The spelling of 2259811 in words is "two million, two hundred fifty-nine thousand, eight hundred eleven".