163548225 has 36 divisors (see below), whose sum is σ = 293985276. Its totient is φ = 86912640.

The previous prime is 163548223. The next prime is 163548233. The reversal of 163548225 is 522845361.

163548225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 40870449 + 122677776 = 6393^2 + 11076^2 .

It is not a de Polignac number, because 163548225 - 2¹ = 163548223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163548225.

It is not an unprimeable number, because it can be changed into a prime (163548223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 70179 + ... + 72471.

Almost surely, 2^163548225 is an apocalyptic number.

163548225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163548225 is a deficient number, since it is larger than the sum of its proper divisors (130437051).

163548225 is a wasteful number, since it uses less digits than its factorization.

163548225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626 (or 2618 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 163548225 is about 12788.5974602378. The cubic root of 163548225 is about 546.8672868572.

The spelling of 163548225 in words is "one hundred sixty-three million, five hundred forty-eight thousand, two hundred twenty-five".