2305728051 has 16 divisors (see below), whose sum is σ = 3363754368. Its totient is φ = 1393257600.

The previous prime is 2305728043. The next prime is 2305728077. The reversal of 2305728051 is 1508275032.

It is not a de Polignac number, because 2305728051 - 2³ = 2305728043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2305728011) 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 15 ways as a sum of consecutive naturals, for example, 92545 + ... + 114786.

It is an arithmetic number, because the mean of its divisors is an integer number (210234648).

Almost surely, 2^2305728051 is an apocalyptic number.

2305728051 is a deficient number, since it is larger than the sum of its proper divisors (1058026317).

2305728051 is a wasteful number, since it uses less digits than its factorization.

2305728051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207682.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 2305728051 is about 48017.9971573159. The cubic root of 2305728051 is about 1321.1010195093.

The spelling of 2305728051 in words is "two billion, three hundred five million, seven hundred twenty-eight thousand, fifty-one".