2471863 has 2 divisors, whose sum is σ = 2471864. Its totient is φ = 2471862.

The previous prime is 2471827. The next prime is 2471869. The reversal of 2471863 is 3681742.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2471863 is a prime.

It is a super-2 number, since 2×2471863² = 12220213381538, which contains 22 as substring.

It is a plaindrome in base 8.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2471869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1235931 + 1235932.

It is an arithmetic number, because the mean of its divisors is an integer number (1235932).

2^2471863 is an apocalyptic number.

2471863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2471863 is an equidigital number, since it uses as much as digits as its factorization.

2471863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 2471863 is about 1572.2159520880. The cubic root of 2471863 is about 135.2097881351.

The spelling of 2471863 in words is "two million, four hundred seventy-one thousand, eight hundred sixty-three".