403340225 has 24 divisors (see below), whose sum is σ = 525085440. Its totient is φ = 306936000.

The previous prime is 403340191. The next prime is 403340233. The reversal of 403340225 is 522043304.

It is not a de Polignac number, because 403340225 - 2²⁶ = 336231361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 403340225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41315 + ... + 50135.

It is an arithmetic number, because the mean of its divisors is an integer number (21878560).

Almost surely, 2^403340225 is an apocalyptic number.

It is an amenable number.

403340225 is a deficient number, since it is larger than the sum of its proper divisors (121745215).

403340225 is a wasteful number, since it uses less digits than its factorization.

403340225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8921 (or 8916 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 403340225 is about 20083.3320193637. The cubic root of 403340225 is about 738.8515329845.

Adding to 403340225 its reverse (522043304), we get a palindrome (925383529).

The spelling of 403340225 in words is "four hundred three million, three hundred forty thousand, two hundred twenty-five".