2479811 has 2 divisors, whose sum is σ = 2479812. Its totient is φ = 2479810.

The previous prime is 2479801. The next prime is 2479847. The reversal of 2479811 is 1189742.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2479811 is a prime.

It is a super-2 number, since 2×2479811² = 12298925191442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2479801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239905 + 1239906.

It is an arithmetic number, because the mean of its divisors is an integer number (1239906).

2^2479811 is an apocalyptic number.

2479811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2479811 is an equidigital number, since it uses as much as digits as its factorization.

2479811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 32.

The square root of 2479811 is about 1574.7415660990. The cubic root of 2479811 is about 135.3545504252.

The spelling of 2479811 in words is "two million, four hundred seventy-nine thousand, eight hundred eleven".