163325315 has 4 divisors (see below), whose sum is σ = 195990384. Its totient is φ = 130660248.

The previous prime is 163325287. The next prime is 163325317. The reversal of 163325315 is 513523361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513523361 = 13 ⋅39501797.

It is a cyclic number.

It is not a de Polignac number, because 163325315 - 2⁶ = 163325251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163325317) 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 3 ways as a sum of consecutive naturals, for example, 16332527 + ... + 16332536.

It is an arithmetic number, because the mean of its divisors is an integer number (48997596).

Almost surely, 2^163325315 is an apocalyptic number.

163325315 is a deficient number, since it is larger than the sum of its proper divisors (32665069).

163325315 is an equidigital number, since it uses as much as digits as its factorization.

163325315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32665068.

The product of its digits is 8100, while the sum is 29.

The square root of 163325315 is about 12779.8793030294. The cubic root of 163325315 is about 546.6187208016.

Adding to 163325315 its reverse (513523361), we get a palindrome (676848676).

The spelling of 163325315 in words is "one hundred sixty-three million, three hundred twenty-five thousand, three hundred fifteen".