2487659 has 2 divisors, whose sum is σ = 2487660. Its totient is φ = 2487658.

The previous prime is 2487637. The next prime is 2487671. The reversal of 2487659 is 9567842.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2487659 is a prime.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 2¹¹ + 4⁵ + 8 + 7 + 6 + 5⁹ + 9⁶ .

It is not a weakly prime, because it can be changed into another prime (2487619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1243829 + 1243830.

It is an arithmetic number, because the mean of its divisors is an integer number (1243830).

2^2487659 is an apocalyptic number.

2487659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2487659 is an equidigital number, since it uses as much as digits as its factorization.

2487659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 2487659 is about 1577.2314351420. The cubic root of 2487659 is about 135.4971881608.

The spelling of 2487659 in words is "two million, four hundred eighty-seven thousand, six hundred fifty-nine".