2495859 has 8 divisors (see below), whose sum is σ = 3503040. Its totient is φ = 1576296.

The previous prime is 2495851. The next prime is 2495861. The reversal of 2495859 is 9585942.

2495859 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 2495859 - 2³ = 2495851 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2495859.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2495851) 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 7 ways as a sum of consecutive naturals, for example, 21837 + ... + 21950.

It is an arithmetic number, because the mean of its divisors is an integer number (437880).

2^2495859 is an apocalyptic number.

2495859 is a deficient number, since it is larger than the sum of its proper divisors (1007181).

2495859 is a wasteful number, since it uses less digits than its factorization.

2495859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43809.

The product of its digits is 129600, while the sum is 42.

The square root of 2495859 is about 1579.8287881919. The cubic root of 2495859 is about 135.6459033946.

The spelling of 2495859 in words is "two million, four hundred ninety-five thousand, eight hundred fifty-nine".