163725001 has 8 divisors (see below), whose sum is σ = 179914464. Its totient is φ = 147753120.

The previous prime is 163724983. The next prime is 163725031. The reversal of 163725001 is 100527361.

163725001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163725001 - 2¹³ = 163716809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163725031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52815 + ... + 55828.

It is an arithmetic number, because the mean of its divisors is an integer number (22489308).

Almost surely, 2^163725001 is an apocalyptic number.

163725001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

163725001 is a deficient number, since it is larger than the sum of its proper divisors (16189463).

163725001 is a wasteful number, since it uses less digits than its factorization.

163725001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108791.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 163725001 is about 12795.5070630280. The cubic root of 163725001 is about 547.0642485419.

The spelling of 163725001 in words is "one hundred sixty-three million, seven hundred twenty-five thousand, one".