2560000001 has 6 divisors (see below), whose sum is σ = 2772071190. Its totient is φ = 2363076768.

The previous prime is 2559999997. The next prime is 2560000019. The reversal of 2560000001 is 1000000652.

It can be written as a sum of positive squares in 3 ways, for example, as 1157776 + 2558842225 = 1076^2 + 50585^2 .

It is not a de Polignac number, because 2560000001 - 2² = 2559999997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2560000031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7573796 + ... + 7574133.

It is an arithmetic number, because the mean of its divisors is an integer number (462011865).

Almost surely, 2^2560000001 is an apocalyptic number.

It is an amenable number.

2560000001 is a deficient number, since it is larger than the sum of its proper divisors (212071189).

2560000001 is a wasteful number, since it uses less digits than its factorization.

2560000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15147955 (or 15147942 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2560000001 is about 50596.4425725762. The cubic root of 2560000001 is about 1367.9807575195.

Adding to 2560000001 its reverse (1000000652), we get a palindrome (3560000653).

The spelling of 2560000001 in words is "two billion, five hundred sixty million, one", and thus it is an aban number.