2581382795 has 8 divisors (see below), whose sum is σ = 3099117696. Its totient is φ = 2064134016.

The previous prime is 2581382779. The next prime is 2581382813. The reversal of 2581382795 is 5972831852.

It is a happy number.

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 2581382795 - 2⁴ = 2581382779 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109742 + ... + 131171.

It is an arithmetic number, because the mean of its divisors is an integer number (387389712).

Almost surely, 2^2581382795 is an apocalyptic number.

2581382795 is a deficient number, since it is larger than the sum of its proper divisors (517734901).

2581382795 is a wasteful number, since it uses less digits than its factorization.

2581382795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243061.

The product of its digits is 1209600, while the sum is 50.

The square root of 2581382795 is about 50807.3104483991. The cubic root of 2581382795 is about 1371.7789586514.

The spelling of 2581382795 in words is "two billion, five hundred eighty-one million, three hundred eighty-two thousand, seven hundred ninety-five".