163353025 has 18 divisors (see below), whose sum is σ = 222650246. Its totient is φ = 118800000.

The previous prime is 163353023. The next prime is 163353031. The reversal of 163353025 is 520353361.

It can be written as a sum of positive squares in 3 ways, for example, as 1656369 + 161696656 = 1287^2 + 12716^2 .

It is not a de Polignac number, because 163353025 - 2¹ = 163353023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163352984 and 163353002.

It is not an unprimeable number, because it can be changed into a prime (163353023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23976 + ... + 30025.

Almost surely, 2^163353025 is an apocalyptic number.

It is an amenable number.

163353025 is a deficient number, since it is larger than the sum of its proper divisors (59297221).

163353025 is a wasteful number, since it uses less digits than its factorization.

163353025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54033 (or 54017 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 163353025 is about 12780.9633830944. The cubic root of 163353025 is about 546.6496324175.

The spelling of 163353025 in words is "one hundred sixty-three million, three hundred fifty-three thousand, twenty-five".