404225065 has 8 divisors (see below), whose sum is σ = 513603720. Its totient is φ = 304357632.

The previous prime is 404225047. The next prime is 404225119. The reversal of 404225065 is 560522404.

It can be written as a sum of positive squares in 4 ways, for example, as 203832729 + 200392336 = 14277^2 + 14156^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404225065 - 2²⁵ = 370670633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2377710 + ... + 2377879.

It is an arithmetic number, because the mean of its divisors is an integer number (64200465).

Almost surely, 2^404225065 is an apocalyptic number.

It is an amenable number.

404225065 is a deficient number, since it is larger than the sum of its proper divisors (109378655).

404225065 is a wasteful number, since it uses less digits than its factorization.

404225065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4755611.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 404225065 is about 20105.3491638419. The cubic root of 404225065 is about 739.3914311145.

Adding to 404225065 its reverse (560522404), we get a palindrome (964747469).

The spelling of 404225065 in words is "four hundred four million, two hundred twenty-five thousand, sixty-five".