2160625305 has 16 divisors (see below), whose sum is σ = 3472102080. Its totient is φ = 1147299648.

The previous prime is 2160625301. The next prime is 2160625333. The reversal of 2160625305 is 5035260612.

It is not a de Polignac number, because 2160625305 - 2² = 2160625301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2160625301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311067 + ... + 317936.

It is an arithmetic number, because the mean of its divisors is an integer number (217006380).

Almost surely, 2^2160625305 is an apocalyptic number.

It is an amenable number.

2160625305 is a deficient number, since it is larger than the sum of its proper divisors (1311476775).

2160625305 is a wasteful number, since it uses less digits than its factorization.

2160625305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629240.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 2160625305 is about 46482.5268783873. The cubic root of 2160625305 is about 1292.7855407603.

Adding to 2160625305 its reverse (5035260612), we get a palindrome (7195885917).

The spelling of 2160625305 in words is "two billion, one hundred sixty million, six hundred twenty-five thousand, three hundred five".