195030536 has 8 divisors (see below), whose sum is σ = 365682270. Its totient is φ = 97515264.

The previous prime is 195030533. The next prime is 195030541. The reversal of 195030536 is 635030591.

It can be written as a sum of positive squares in only one way, i.e., 190164100 + 4866436 = 13790^2 + 2206^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (195030533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12189401 + ... + 12189416.

Almost surely, 2^195030536 is an apocalyptic number.

It is an amenable number.

195030536 is a deficient number, since it is larger than the sum of its proper divisors (170651734).

195030536 is a wasteful number, since it uses less digits than its factorization.

195030536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24378823 (or 24378819 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 195030536 is about 13965.3333651582. Note that the first 4 decimals coincide. The cubic root of 195030536 is about 579.9192673996.

The spelling of 195030536 in words is "one hundred ninety-five million, thirty thousand, five hundred thirty-six".