2660587 has 2 divisors, whose sum is σ = 2660588. Its totient is φ = 2660586.

The previous prime is 2660579. The next prime is 2660591. The reversal of 2660587 is 7850662.

2660587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2660587 - 2³ = 2660579 is a prime.

It is not a weakly prime, because it can be changed into another prime (2660527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330293 + 1330294.

It is an arithmetic number, because the mean of its divisors is an integer number (1330294).

2^2660587 is an apocalyptic number.

2660587 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660587 is an equidigital number, since it uses as much as digits as its factorization.

2660587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2660587 is about 1631.1305894992. The cubic root of 2660587 is about 138.5667895445.

The spelling of 2660587 in words is "two million, six hundred sixty thousand, five hundred eighty-seven".