2814431 has 2 divisors, whose sum is σ = 2814432. Its totient is φ = 2814430.

The previous prime is 2814419. The next prime is 2814433. The reversal of 2814431 is 1344182.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2814431 is a prime.

It is a super-2 number, since 2×2814431² = 15842043707522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 2814433, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2814397 and 2814406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2814433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1407215 + 1407216.

It is an arithmetic number, because the mean of its divisors is an integer number (1407216).

2^2814431 is an apocalyptic number.

2814431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2814431 is an equidigital number, since it uses as much as digits as its factorization.

2814431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 23.

The square root of 2814431 is about 1677.6265973094. The cubic root of 2814431 is about 141.1877016630.

The spelling of 2814431 in words is "two million, eight hundred fourteen thousand, four hundred thirty-one".