2605322105 has 16 divisors (see below), whose sum is σ = 3157057728. Its totient is φ = 2063880000.

The previous prime is 2605322101. The next prime is 2605322117. The reversal of 2605322105 is 5012235062.

It is not a de Polignac number, because 2605322105 - 2² = 2605322101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2605322101) 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, 317555 + ... + 325655.

It is an arithmetic number, because the mean of its divisors is an integer number (197316108).

Almost surely, 2^2605322105 is an apocalyptic number.

It is an amenable number.

2605322105 is a deficient number, since it is larger than the sum of its proper divisors (551735623).

2605322105 is a wasteful number, since it uses less digits than its factorization.

2605322105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8728.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2605322105 is about 51042.3559899031. The cubic root of 2605322105 is about 1376.0064661971.

Adding to 2605322105 its reverse (5012235062), we get a palindrome (7617557167).

The spelling of 2605322105 in words is "two billion, six hundred five million, three hundred twenty-two thousand, one hundred five".