2560735 has 4 divisors (see below), whose sum is σ = 3072888. Its totient is φ = 2048584.

The previous prime is 2560721. The next prime is 2560739. The reversal of 2560735 is 5370652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2560735 - 2⁹ = 2560223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560739) 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 in 3 ways as a sum of consecutive naturals, for example, 256069 + ... + 256078.

It is an arithmetic number, because the mean of its divisors is an integer number (768222).

2^2560735 is an apocalyptic number.

2560735 is a deficient number, since it is larger than the sum of its proper divisors (512153).

2560735 is an equidigital number, since it uses as much as digits as its factorization.

2560735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512152.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 2560735 is about 1600.2296710160. The cubic root of 2560735 is about 136.8111664847.

The spelling of 2560735 in words is "two million, five hundred sixty thousand, seven hundred thirty-five".