2616787 has 2 divisors, whose sum is σ = 2616788. Its totient is φ = 2616786.

The previous prime is 2616781. The next prime is 2616791. The reversal of 2616787 is 7876162.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2616787 - 2⁷ = 2616659 is a prime.

It is not a weakly prime, because it can be changed into another prime (2616781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1308393 + 1308394.

It is an arithmetic number, because the mean of its divisors is an integer number (1308394).

2^2616787 is an apocalyptic number.

2616787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2616787 is an equidigital number, since it uses as much as digits as its factorization.

2616787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 2616787 is about 1617.6486021383. The cubic root of 2616787 is about 137.8021915682.

It can be divided in two parts, 2616 and 787, that added together give a triangular number (3403 = T₈₂).

The spelling of 2616787 in words is "two million, six hundred sixteen thousand, seven hundred eighty-seven".