195001447 has 4 divisors (see below), whose sum is σ = 195032656. Its totient is φ = 194970240.

The previous prime is 195001409. The next prime is 195001451. The reversal of 195001447 is 744100591.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 195001447 - 2⁷ = 195001319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195007447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2643 + ... + 19924.

It is an arithmetic number, because the mean of its divisors is an integer number (48758164).

Almost surely, 2^195001447 is an apocalyptic number.

195001447 is a deficient number, since it is larger than the sum of its proper divisors (31209).

195001447 is an equidigital number, since it uses as much as digits as its factorization.

195001447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31208.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 195001447 is about 13964.2918545840. The cubic root of 195001447 is about 579.8904341193.

The spelling of 195001447 in words is "one hundred ninety-five million, one thousand, four hundred forty-seven".