4209104225 has 24 divisors (see below), whose sum is σ = 5422655160. Its totient is φ = 3237086720.

The previous prime is 4209104197. The next prime is 4209104281. The reversal of 4209104225 is 5224019024.

It can be written as a sum of positive squares in 12 ways, for example, as 1280995681 + 2928108544 = 35791^2 + 54112^2 .

It is not a de Polignac number, because 4209104225 - 2¹⁸ = 4208842081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156467 + ... + 181383.

It is an arithmetic number, because the mean of its divisors is an integer number (225943965).

Almost surely, 2^4209104225 is an apocalyptic number.

It is an amenable number.

4209104225 is a deficient number, since it is larger than the sum of its proper divisors (1213550935).

4209104225 is a wasteful number, since it uses less digits than its factorization.

4209104225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25189 (or 25184 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 4209104225 is about 64877.6095814265. The cubic root of 4209104225 is about 1614.5935997164.

The spelling of 4209104225 in words is "four billion, two hundred nine million, one hundred four thousand, two hundred twenty-five".