2825739 has 16 divisors (see below), whose sum is σ = 4784640. Its totient is φ = 1614600.

The previous prime is 2825701. The next prime is 2825741. The reversal of 2825739 is 9375282.

It is a happy number.

2825739 is a `hidden beast` number, since 2 + 82 + 573 + 9 = 666.

2825739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2825739 - 2⁹ = 2825227 is a prime.

It is a super-2 number, since 2×2825739² = 15969601792242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

2825739 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2825749) 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 15 ways as a sum of consecutive naturals, for example, 7287 + ... + 7664.

It is an arithmetic number, because the mean of its divisors is an integer number (299040).

2^2825739 is an apocalyptic number.

2825739 is a deficient number, since it is larger than the sum of its proper divisors (1958901).

2825739 is a wasteful number, since it uses less digits than its factorization.

2825739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14967 (or 14961 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 2825739 is about 1680.9934562633. The cubic root of 2825739 is about 141.3765399575.

The spelling of 2825739 in words is "two million, eight hundred twenty-five thousand, seven hundred thirty-nine".