2560345 has 8 divisors (see below), whose sum is σ = 3234240. Its totient is φ = 1940400.

The previous prime is 2560343. The next prime is 2560351. The reversal of 2560345 is 5430652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2560345 - 2¹ = 2560343 is a prime.

2560345 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2560343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13381 + ... + 13570.

It is an arithmetic number, because the mean of its divisors is an integer number (404280).

2^2560345 is an apocalyptic number.

It is an amenable number.

2560345 is a deficient number, since it is larger than the sum of its proper divisors (673895).

2560345 is a wasteful number, since it uses less digits than its factorization.

2560345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26975.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2560345 is about 1600.1078088679. The cubic root of 2560345 is about 136.8042206842.

Adding to 2560345 its reverse (5430652), we get a palindrome (7990997).

The spelling of 2560345 in words is "two million, five hundred sixty thousand, three hundred forty-five".