2560785 has 16 divisors (see below), whose sum is σ = 4151040. Its totient is φ = 1347840.

The previous prime is 2560783. The next prime is 2560793. The reversal of 2560785 is 5870652.

It is a happy number.

It is not a de Polignac number, because 2560785 - 2¹ = 2560783 is a prime.

2560785 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2560783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105 + ... + 2265.

It is an arithmetic number, because the mean of its divisors is an integer number (259440).

2^2560785 is an apocalyptic number.

It is an amenable number.

2560785 is a deficient number, since it is larger than the sum of its proper divisors (1590255).

2560785 is a wasteful number, since it uses less digits than its factorization.

2560785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 2560785 is about 1600.2452936972. The cubic root of 2560785 is about 136.8120569210.

Adding to 2560785 its product of nonzero digits (16800), we get a triangular number (2577585 = T₂₂₇₀).

The spelling of 2560785 in words is "two million, five hundred sixty thousand, seven hundred eighty-five".