2509682 has 12 divisors (see below), whose sum is σ = 4379310. Its totient is φ = 1075536.

The previous prime is 2509679. The next prime is 2509687. The reversal of 2509682 is 2869052.

2509682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1301881 + 1207801 = 1141^2 + 1099^2 .

It is a super-2 number, since 2×2509682² = 12597007482248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2509687) 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 in 5 ways as a sum of consecutive naturals, for example, 12707 + ... + 12902.

2^2509682 is an apocalyptic number.

2509682 is a deficient number, since it is larger than the sum of its proper divisors (1869628).

2509682 is a wasteful number, since it uses less digits than its factorization.

2509682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25625 (or 25618 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2509682 is about 1584.1975886865. The cubic root of 2509682 is about 135.8958617442.

The spelling of 2509682 in words is "two million, five hundred nine thousand, six hundred eighty-two".