195438001 has 8 divisors (see below), whose sum is σ = 225746784. Its totient is φ = 167219520.

The previous prime is 195437951. The next prime is 195438007. The reversal of 195438001 is 100834591.

195438001 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 a de Polignac number, because none of the positive numbers 2^k-195438001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195438007) 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, 522375 + ... + 522748.

It is an arithmetic number, because the mean of its divisors is an integer number (28218348).

Almost surely, 2^195438001 is an apocalyptic number.

195438001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

195438001 is a deficient number, since it is larger than the sum of its proper divisors (30308783).

195438001 is a wasteful number, since it uses less digits than its factorization.

195438001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045151.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 195438001 is about 13979.9141985922. The cubic root of 195438001 is about 580.3228493888.

The spelling of 195438001 in words is "one hundred ninety-five million, four hundred thirty-eight thousand, one".