2616863 has 2 divisors, whose sum is σ = 2616864. Its totient is φ = 2616862.

The previous prime is 2616829. The next prime is 2616869. The reversal of 2616863 is 3686162.

Added to its reverse (3686162) it gives a triangular number (6303025 = T₃₅₅₀).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2616863 - 2¹⁰ = 2615839 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2616869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1308431 + 1308432.

It is an arithmetic number, because the mean of its divisors is an integer number (1308432).

2^2616863 is an apocalyptic number.

2616863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2616863 is an equidigital number, since it uses as much as digits as its factorization.

2616863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 2616863 is about 1617.6720928544. The cubic root of 2616863 is about 137.8035256298.

Adding to 2616863 its reverse (3686162), we get a triangular number (6303025 = T₃₅₅₀).

The spelling of 2616863 in words is "two million, six hundred sixteen thousand, eight hundred sixty-three".