195050306025 has 27 divisors (see below), whose sum is σ = 349368636279. Its totient is φ = 104023296720.

The previous prime is 195050306023. The next prime is 195050306063. The reversal of 195050306025 is 520603050591.

The square root of 195050306025 is 441645.

It is a perfect power (a square), and thus also a powerful number.

195050306025 is a `hidden beast` number, since 1 + 95 + 0 + 503 + 0 + 60 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 70218110169 + 124832195856 = 264987^2 + 353316^2 .

It is not a de Polignac number, because 195050306025 - 2¹ = 195050306023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195050306023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6609954 + ... + 6639396.

Almost surely, 2^195050306025 is an apocalyptic number.

195050306025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

195050306025 is the 441645-th square number.

195050306025 is the 220823-rd centered octagonal number.

It is an amenable number.

195050306025 is a deficient number, since it is larger than the sum of its proper divisors (154318330254).

195050306025 is an frugal number, since it uses more digits than its factorization.

195050306025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58902 (or 29451 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

Multiplying 195050306025 by its sum of digits (36), we get a square (7021811016900 = 2649870²).

The spelling of 195050306025 in words is "one hundred ninety-five billion, fifty million, three hundred six thousand, twenty-five".