2649587 has 2 divisors, whose sum is σ = 2649588. Its totient is φ = 2649586.

The previous prime is 2649557. The next prime is 2649593. The reversal of 2649587 is 7859462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2649587 - 2¹⁰ = 2648563 is a prime.

It is a super-2 number, since 2×2649587² = 14040622541138, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹¹ + 6² + 4⁷ + 9⁶ + 5³ + 8⁷ + 7⁴ .

It is not a weakly prime, because it can be changed into another prime (2649547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324793 + 1324794.

It is an arithmetic number, because the mean of its divisors is an integer number (1324794).

2^2649587 is an apocalyptic number.

2649587 is a deficient number, since it is larger than the sum of its proper divisors (1).

2649587 is an equidigital number, since it uses as much as digits as its factorization.

2649587 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2649587 is about 1627.7552027255. The cubic root of 2649587 is about 138.3755610506.

The spelling of 2649587 in words is "two million, six hundred forty-nine thousand, five hundred eighty-seven".