163925 has 12 divisors (see below), whose sum is σ = 208320. Its totient is φ = 127920.

The previous prime is 163909. The next prime is 163927. The reversal of 163925 is 529361.

It is not a de Polignac number, because 163925 - 2⁴ = 163909 is a prime.

It is a Curzon number.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 163894 and 163903.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 163925.

It is not an unprimeable number, because it can be changed into a prime (163927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1934 + ... + 2016.

It is an arithmetic number, because the mean of its divisors is an integer number (17360).

2¹⁶³⁹²⁵ is an apocalyptic number.

It is an amenable number.

163925 is a deficient number, since it is larger than the sum of its proper divisors (44395).

163925 is an equidigital number, since it uses as much as digits as its factorization.

163925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 167 counting only the distinct ones).

The product of its digits is 1620, while the sum is 26.

The square root of 163925 is about 404.8765243874. The cubic root of 163925 is about 54.7286914152.

The spelling of 163925 in words is "one hundred sixty-three thousand, nine hundred twenty-five".