403512225 has 24 divisors (see below), whose sum is σ = 669635712. Its totient is φ = 214401600.

The previous prime is 403512191. The next prime is 403512227. The reversal of 403512225 is 522215304.

It is not a de Polignac number, because 403512225 - 2⁷ = 403512097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 403512195 and 403512204.

It is not an unprimeable number, because it can be changed into a prime (403512227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10399 + ... + 30251.

It is an arithmetic number, because the mean of its divisors is an integer number (27901488).

Almost surely, 2^403512225 is an apocalyptic number.

It is an amenable number.

403512225 is a deficient number, since it is larger than the sum of its proper divisors (266123487).

403512225 is a wasteful number, since it uses less digits than its factorization.

403512225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20137 (or 20132 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 403512225 is about 20087.6137208978. The cubic root of 403512225 is about 738.9565430941.

Adding to 403512225 its reverse (522215304), we get a palindrome (925727529).

The spelling of 403512225 in words is "four hundred three million, five hundred twelve thousand, two hundred twenty-five".