195108249 has 12 divisors (see below), whose sum is σ = 302617104. Its totient is φ = 111490344.

The previous prime is 195108239. The next prime is 195108253. The reversal of 195108249 is 942801591.

195108249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 195108249 - 2²¹ = 193011097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195108239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 663487 + ... + 663780.

It is an arithmetic number, because the mean of its divisors is an integer number (25218092).

Almost surely, 2^195108249 is an apocalyptic number.

It is an amenable number.

195108249 is a deficient number, since it is larger than the sum of its proper divisors (107508855).

195108249 is a wasteful number, since it uses less digits than its factorization.

195108249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327284 (or 1327277 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 195108249 is about 13968.1154419628. The cubic root of 195108249 is about 579.9962831708.

The spelling of 195108249 in words is "one hundred ninety-five million, one hundred eight thousand, two hundred forty-nine".