403331225 has 12 divisors (see below), whose sum is σ = 545597520. Its totient is φ = 293331600.

The previous prime is 403331167. The next prime is 403331231. The reversal of 403331225 is 522133304.

It is not a de Polignac number, because 403331225 - 2¹⁶ = 403265689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 403331225.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 733055 + ... + 733604.

It is an arithmetic number, because the mean of its divisors is an integer number (45466460).

Almost surely, 2^403331225 is an apocalyptic number.

It is an amenable number.

403331225 is a deficient number, since it is larger than the sum of its proper divisors (142266295).

403331225 is a wasteful number, since it uses less digits than its factorization.

403331225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466680 (or 1466675 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 403331225 is about 20083.1079517091. The cubic root of 403331225 is about 738.8460374477.

Adding to 403331225 its reverse (522133304), we get a palindrome (925464529).

The spelling of 403331225 in words is "four hundred three million, three hundred thirty-one thousand, two hundred twenty-five".