5785251081 has 32 divisors (see below), whose sum is σ = 8195725440. Its totient is φ = 3619759104.

The previous prime is 5785251067. The next prime is 5785251083. The reversal of 5785251081 is 1801525875.

It is not a de Polignac number, because 5785251081 - 2⁵ = 5785251049 is a prime.

It is a super-2 number, since 2×5785251081² = 66938260140423337122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5785251083) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3874171 + ... + 3875663.

It is an arithmetic number, because the mean of its divisors is an integer number (256116420).

Almost surely, 2^5785251081 is an apocalyptic number.

It is an amenable number.

5785251081 is a deficient number, since it is larger than the sum of its proper divisors (2410474359).

5785251081 is a wasteful number, since it uses less digits than its factorization.

5785251081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105.

The product of its (nonzero) digits is 112000, while the sum is 42.

The square root of 5785251081 is about 76060.8380245708. The cubic root of 5785251081 is about 1795.1775318599.

The spelling of 5785251081 in words is "five billion, seven hundred eighty-five million, two hundred fifty-one thousand, eighty-one".