402025225 has 24 divisors (see below), whose sum is σ = 571134080. Its totient is φ = 274993920.

The previous prime is 402025201. The next prime is 402025241. The reversal of 402025225 is 522520204.

It is a happy number.

402025225 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 402025225 - 2⁷ = 402025097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402025196 and 402025205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74209 + ... + 79441.

Almost surely, 2^402025225 is an apocalyptic number.

It is an amenable number.

402025225 is a deficient number, since it is larger than the sum of its proper divisors (169108855).

402025225 is a wasteful number, since it uses less digits than its factorization.

402025225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5689 (or 5684 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 402025225 is about 20050.5667002207. The cubic root of 402025225 is about 738.0477057559.

Adding to 402025225 its reverse (522520204), we get a palindrome (924545429).

The spelling of 402025225 in words is "four hundred two million, twenty-five thousand, two hundred twenty-five".