195000530 has 16 divisors (see below), whose sum is σ = 356756184. Its totient is φ = 76721280.

The previous prime is 195000517. The next prime is 195000541. The reversal of 195000530 is 35000591.

It can be written as a sum of positive squares in 4 ways, for example, as 155775361 + 39225169 = 12481^2 + 6263^2 .

It is a junction number, because it is equal to n+sod(n) for n = 195000496 and 195000505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159227 + ... + 160446.

Almost surely, 2^195000530 is an apocalyptic number.

195000530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195000530 is a deficient number, since it is larger than the sum of its proper divisors (161755654).

195000530 is a wasteful number, since it uses less digits than its factorization.

195000530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319741.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 195000530 is about 13964.2590208002. The cubic root of 195000530 is about 579.8895251339.

The spelling of 195000530 in words is "one hundred ninety-five million, five hundred thirty", and thus it is an aban number.