163567325 has 6 divisors (see below), whose sum is σ = 202823514. Its totient is φ = 130853840.

The previous prime is 163567309. The next prime is 163567351. The reversal of 163567325 is 523765361.

It can be written as a sum of positive squares in 3 ways, for example, as 1819801 + 161747524 = 1349^2 + 12718^2 .

It is not a de Polignac number, because 163567325 - 2⁴ = 163567309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3271322 + ... + 3271371.

It is an arithmetic number, because the mean of its divisors is an integer number (33803919).

Almost surely, 2^163567325 is an apocalyptic number.

It is an amenable number.

163567325 is a deficient number, since it is larger than the sum of its proper divisors (39256189).

163567325 is an equidigital number, since it uses as much as digits as its factorization.

163567325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6542703 (or 6542698 counting only the distinct ones).

The product of its digits is 113400, while the sum is 38.

The square root of 163567325 is about 12789.3441974168. The cubic root of 163567325 is about 546.8885746835. Note that the first 3 decimals are identical.

The spelling of 163567325 in words is "one hundred sixty-three million, five hundred sixty-seven thousand, three hundred twenty-five".