195263875025 has 6 divisors (see below), whose sum is σ = 242127205062. Its totient is φ = 156211100000.

The previous prime is 195263875013. The next prime is 195263875043. The reversal of 195263875025 is 520578362591.

It can be written as a sum of positive squares in 3 ways, for example, as 2311013329 + 192952861696 = 48073^2 + 439264^2 .

It is not a de Polignac number, because 195263875025 - 2²⁰ = 195262826449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3905277476 + ... + 3905277525.

It is an arithmetic number, because the mean of its divisors is an integer number (40354534177).

Almost surely, 2^195263875025 is an apocalyptic number.

It is an amenable number.

195263875025 is a deficient number, since it is larger than the sum of its proper divisors (46863330037).

195263875025 is an equidigital number, since it uses as much as digits as its factorization.

195263875025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7810555011 (or 7810555006 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 195263875025 in words is "one hundred ninety-five billion, two hundred sixty-three million, eight hundred seventy-five thousand, twenty-five".