2560545 has 32 divisors (see below), whose sum is σ = 4905600. Its totient is φ = 1259712.

The previous prime is 2560543. The next prime is 2560549. The reversal of 2560545 is 5450652.

It is not a de Polignac number, because 2560545 - 2¹ = 2560543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2560543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1026 + ... + 2484.

It is an arithmetic number, because the mean of its divisors is an integer number (153300).

2^2560545 is an apocalyptic number.

It is an amenable number.

2560545 is a deficient number, since it is larger than the sum of its proper divisors (2345055).

2560545 is a wasteful number, since it uses less digits than its factorization.

2560545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2560545 is about 1600.1703034365. The cubic root of 2560545 is about 136.8077827213.

The spelling of 2560545 in words is "two million, five hundred sixty thousand, five hundred forty-five".