195863572 has 6 divisors (see below), whose sum is σ = 342761258. Its totient is φ = 97931784.

The previous prime is 195863537. The next prime is 195863573. The reversal of 195863572 is 275368591.

It can be written as a sum of positive squares in only one way, i.e., 141752836 + 54110736 = 11906^2 + 7356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195863573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24482943 + ... + 24482950.

Almost surely, 2^195863572 is an apocalyptic number.

It is an amenable number.

195863572 is a deficient number, since it is larger than the sum of its proper divisors (146897686).

195863572 is a wasteful number, since it uses less digits than its factorization.

195863572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48965897 (or 48965895 counting only the distinct ones).

The product of its digits is 453600, while the sum is 46.

The square root of 195863572 is about 13995.1267232562. The cubic root of 195863572 is about 580.7437663899.

The spelling of 195863572 in words is "one hundred ninety-five million, eight hundred sixty-three thousand, five hundred seventy-two".