2302905 has 32 divisors (see below), whose sum is σ = 4261248. Its totient is φ = 1049600.

The previous prime is 2302889. The next prime is 2302907. The reversal of 2302905 is 5092032.

2302905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2302905 - 2⁴ = 2302889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2302907) 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 31 ways as a sum of consecutive naturals, for example, 2395 + ... + 3215.

It is an arithmetic number, because the mean of its divisors is an integer number (133164).

2^2302905 is an apocalyptic number.

It is an amenable number.

2302905 is a deficient number, since it is larger than the sum of its proper divisors (1958343).

2302905 is a wasteful number, since it uses less digits than its factorization.

2302905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 2302905 is about 1517.5325367187. The cubic root of 2302905 is about 132.0561629692.

Adding to 2302905 its reverse (5092032), we get a palindrome (7394937).

The spelling of 2302905 in words is "two million, three hundred two thousand, nine hundred five".