2805331057 has 8 divisors (see below), whose sum is σ = 2958292800. Its totient is φ = 2652900624.

The previous prime is 2805331049. The next prime is 2805331099. The reversal of 2805331057 is 7501335082.

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 2805331057 - 2³ = 2805331049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2805331357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121957 + ... + 143122.

It is an arithmetic number, because the mean of its divisors is an integer number (369786600).

Almost surely, 2^2805331057 is an apocalyptic number.

It is an amenable number.

2805331057 is a deficient number, since it is larger than the sum of its proper divisors (152961743).

2805331057 is a wasteful number, since it uses less digits than its factorization.

2805331057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265655.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 2805331057 is about 52965.3760205665. The cubic root of 2805331057 is about 1410.3536924350.

The spelling of 2805331057 in words is "two billion, eight hundred five million, three hundred thirty-one thousand, fifty-seven".