194985001 has 4 divisors (see below), whose sum is σ = 196181392. Its totient is φ = 193788612.

The previous prime is 194984989. The next prime is 194985017. The reversal of 194985001 is 100589491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 194985001 - 2⁷ = 194984873 is a prime.

It is a super-2 number, since 2×194985001² = 76038301229940002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194985041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597951 + ... + 598276.

It is an arithmetic number, because the mean of its divisors is an integer number (49045348).

Almost surely, 2^194985001 is an apocalyptic number.

It is an amenable number.

194985001 is a deficient number, since it is larger than the sum of its proper divisors (1196391).

194985001 is a wasteful number, since it uses less digits than its factorization.

194985001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196390.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 194985001 is about 13963.7029830916. The cubic root of 194985001 is about 579.8741314262.

The spelling of 194985001 in words is "one hundred ninety-four million, nine hundred eighty-five thousand, one".