2560251205 has 8 divisors (see below), whose sum is σ = 3094727832. Its totient is φ = 2033250048.

The previous prime is 2560251193. The next prime is 2560251229. The reversal of 2560251205 is 5021520652.

It can be written as a sum of positive squares in 4 ways, for example, as 246929796 + 2313321409 = 15714^2 + 48097^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2560251205 - 2⁵ = 2560251173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1868112 + ... + 1869481.

It is an arithmetic number, because the mean of its divisors is an integer number (386840979).

Almost surely, 2^2560251205 is an apocalyptic number.

It is an amenable number.

2560251205 is a deficient number, since it is larger than the sum of its proper divisors (534476627).

2560251205 is a wasteful number, since it uses less digits than its factorization.

2560251205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737735.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2560251205 is about 50598.9249391724. The cubic root of 2560251205 is about 1368.0255011391.

Adding to 2560251205 its reverse (5021520652), we get a palindrome (7581771857).

The spelling of 2560251205 in words is "two billion, five hundred sixty million, two hundred fifty-one thousand, two hundred five".