2104210225 has 12 divisors (see below), whose sum is σ = 2809930396. Its totient is φ = 1553878080.

The previous prime is 2104210201. The next prime is 2104210231. The reversal of 2104210225 is 5220124012.

It can be written as a sum of positive squares in 6 ways, for example, as 355548736 + 1748661489 = 18856^2 + 41817^2 .

It is not a de Polignac number, because 2104210225 - 2⁵ = 2104210193 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3236922 + ... + 3237571.

Almost surely, 2^2104210225 is an apocalyptic number.

2104210225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2104210225 is a deficient number, since it is larger than the sum of its proper divisors (705720171).

2104210225 is a wasteful number, since it uses less digits than its factorization.

2104210225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6474516 (or 6474511 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2104210225 is about 45871.6712688779. The cubic root of 2104210225 is about 1281.4343915464.

Adding to 2104210225 its reverse (5220124012), we get a palindrome (7324334237).

The spelling of 2104210225 in words is "two billion, one hundred four million, two hundred ten thousand, two hundred twenty-five".