163000225 has 12 divisors (see below), whose sum is σ = 202284796. Its totient is φ = 130294080.

The previous prime is 163000219. The next prime is 163000231. The reversal of 163000225 is 522000361.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (163000219) and next prime (163000231).

It can be written as a sum of positive squares in 6 ways, for example, as 13476241 + 149523984 = 3671^2 + 12228^2 .

It is not a de Polignac number, because 163000225 - 2²⁷ = 28782497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46639 + ... + 50011.

Almost surely, 2^163000225 is an apocalyptic number.

It is an amenable number.

163000225 is a deficient number, since it is larger than the sum of its proper divisors (39284571).

163000225 is a wasteful number, since it uses less digits than its factorization.

163000225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5316 (or 5311 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 163000225 is about 12767.1541464807. The cubic root of 163000225 is about 546.2558084726.

Adding to 163000225 its reverse (522000361), we get a palindrome (685000586).

The spelling of 163000225 in words is "one hundred sixty-three million, two hundred twenty-five", and thus it is an aban number.