18975201 has 12 divisors (see below), whose sum is σ = 29431152. Its totient is φ = 10842888.

The previous prime is 18975199. The next prime is 18975217. The reversal of 18975201 is 10257981.

It is not a de Polignac number, because 18975201 - 2¹ = 18975199 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18975101) 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, 64395 + ... + 64688.

It is an arithmetic number, because the mean of its divisors is an integer number (2452596).

Almost surely, 2^18975201 is an apocalyptic number.

It is an amenable number.

18975201 is a deficient number, since it is larger than the sum of its proper divisors (10455951).

18975201 is a wasteful number, since it uses less digits than its factorization.

18975201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129100 (or 129093 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 18975201 is about 4356.0533743286. The cubic root of 18975201 is about 266.7240201291.

The spelling of 18975201 in words is "eighteen million, nine hundred seventy-five thousand, two hundred one".