403005250225 has 6 divisors (see below), whose sum is σ = 499726510310. Its totient is φ = 322404200160.

The previous prime is 403005250183. The next prime is 403005250229. The reversal of 403005250225 is 522052500304.

It can be written as a sum of positive squares in 3 ways, for example, as 124112471616 + 278892778609 = 352296^2 + 528103^2 .

It is not a de Polignac number, because 403005250225 - 2³⁷ = 265566296753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 403005250193 and 403005250202.

It is not an unprimeable number, because it can be changed into a prime (403005250229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8060104980 + ... + 8060105029.

Almost surely, 2^403005250225 is an apocalyptic number.

It is an amenable number.

403005250225 is a deficient number, since it is larger than the sum of its proper divisors (96721260085).

403005250225 is a wasteful number, since it uses less digits than its factorization.

403005250225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16120210019 (or 16120210014 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

Adding to 403005250225 its reverse (522052500304), we get a palindrome (925057750529).

The spelling of 403005250225 in words is "four hundred three billion, five million, two hundred fifty thousand, two hundred twenty-five".