404305325 has 12 divisors (see below), whose sum is σ = 504241908. Its totient is φ = 321571200.

The previous prime is 404305309. The next prime is 404305357. The reversal of 404305325 is 523503404.

It can be written as a sum of positive squares in 6 ways, for example, as 34550884 + 369754441 = 5878^2 + 19229^2 .

It is not a de Polignac number, because 404305325 - 2⁴ = 404305309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404305294 and 404305303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42416 + ... + 51065.

It is an arithmetic number, because the mean of its divisors is an integer number (42020159).

Almost surely, 2^404305325 is an apocalyptic number.

It is an amenable number.

404305325 is a deficient number, since it is larger than the sum of its proper divisors (99936583).

404305325 is a wasteful number, since it uses less digits than its factorization.

404305325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93664 (or 93659 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 404305325 is about 20107.3450510006. The cubic root of 404305325 is about 739.4403639444.

Adding to 404305325 its reverse (523503404), we get a palindrome (927808729).

The spelling of 404305325 in words is "four hundred four million, three hundred five thousand, three hundred twenty-five".