2409311 has 2 divisors, whose sum is σ = 2409312. Its totient is φ = 2409310.

The previous prime is 2409307. The next prime is 2409313. The reversal of 2409311 is 1139042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2409311 - 2² = 2409307 is a prime.

Together with 2409313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2409313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1204655 + 1204656.

It is an arithmetic number, because the mean of its divisors is an integer number (1204656).

2^2409311 is an apocalyptic number.

2409311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2409311 is an equidigital number, since it uses as much as digits as its factorization.

2409311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2409311 is about 1552.1955418052. The cubic root of 2409311 is about 134.0595079867.

The spelling of 2409311 in words is "two million, four hundred nine thousand, three hundred eleven".