2509885 has 8 divisors (see below), whose sum is σ = 3442176. Its totient is φ = 1721040.

The previous prime is 2509861. The next prime is 2509891. The reversal of 2509885 is 5889052.

It is a happy number.

2509885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2509885 - 2⁷ = 2509757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 35821 + ... + 35890.

It is an arithmetic number, because the mean of its divisors is an integer number (430272).

2^2509885 is an apocalyptic number.

It is an amenable number.

2509885 is a deficient number, since it is larger than the sum of its proper divisors (932291).

2509885 is an equidigital number, since it uses as much as digits as its factorization.

2509885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71723.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 2509885 is about 1584.2616576816. The cubic root of 2509885 is about 135.8995257032.

The spelling of 2509885 in words is "two million, five hundred nine thousand, eight hundred eighty-five".