404231025 has 24 divisors (see below), whose sum is σ = 729087264. Its totient is φ = 195990400.

The previous prime is 404231017. The next prime is 404231027. The reversal of 404231025 is 520132404.

It is not a de Polignac number, because 404231025 - 2³ = 404231017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404230992 and 404231010.

It is not an unprimeable number, because it can be changed into a prime (404231027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244164 + ... + 245813.

It is an arithmetic number, because the mean of its divisors is an integer number (30378636).

Almost surely, 2^404231025 is an apocalyptic number.

It is an amenable number.

404231025 is a deficient number, since it is larger than the sum of its proper divisors (324856239).

404231025 is a wasteful number, since it uses less digits than its factorization.

404231025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490001 (or 489996 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 404231025 is about 20105.4973825568. The cubic root of 404231025 is about 739.3950650235.

Adding to 404231025 its reverse (520132404), we get a palindrome (924363429).

The spelling of 404231025 in words is "four hundred four million, two hundred thirty-one thousand, twenty-five".