2560105 has 4 divisors (see below), whose sum is σ = 3072132. Its totient is φ = 2048080.

The previous prime is 2560099. The next prime is 2560123. The reversal of 2560105 is 5010652.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1771561 + 788544 = 1331^2 + 888^2 .

It is not a de Polignac number, because 2560105 - 2⁹ = 2559593 is a prime.

It is a super-2 number, since 2×2560105² = 13108275222050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256006 + ... + 256015.

It is an arithmetic number, because the mean of its divisors is an integer number (768033).

2^2560105 is an apocalyptic number.

It is an amenable number.

2560105 is a deficient number, since it is larger than the sum of its proper divisors (512027).

2560105 is an equidigital number, since it uses as much as digits as its factorization.

2560105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512026.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 2560105 is about 1600.0328121636. The cubic root of 2560105 is about 136.7999459948.

Adding to 2560105 its reverse (5010652), we get a palindrome (7570757).

The spelling of 2560105 in words is "two million, five hundred sixty thousand, one hundred five".