195371005 has 12 divisors (see below), whose sum is σ = 235890900. Its totient is φ = 155338752.

The previous prime is 195371003. The next prime is 195371023. The reversal of 195371005 is 500173591.

It can be written as a sum of positive squares in 6 ways, for example, as 2105401 + 193265604 = 1451^2 + 13902^2 .

It is not a de Polignac number, because 195371005 - 2¹ = 195371003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195371003) 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 11 ways as a sum of consecutive naturals, for example, 185721 + ... + 186769.

It is an arithmetic number, because the mean of its divisors is an integer number (19657575).

Almost surely, 2^195371005 is an apocalyptic number.

It is an amenable number.

195371005 is a deficient number, since it is larger than the sum of its proper divisors (40519895).

195371005 is an equidigital number, since it uses as much as digits as its factorization.

195371005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440 (or 1247 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 195371005 is about 13977.5178411619. The cubic root of 195371005 is about 580.2565303978.

The spelling of 195371005 in words is "one hundred ninety-five million, three hundred seventy-one thousand, five".