195005195 has 16 divisors (see below), whose sum is σ = 291748608. Its totient is φ = 121561440.

The previous prime is 195005191. The next prime is 195005197. The reversal of 195005195 is 591500591.

It is a happy number.

It is not a de Polignac number, because 195005195 - 2² = 195005191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195005191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252869 + ... + 253638.

It is an arithmetic number, because the mean of its divisors is an integer number (18234288).

Almost surely, 2^195005195 is an apocalyptic number.

195005195 is a deficient number, since it is larger than the sum of its proper divisors (96743413).

195005195 is a wasteful number, since it uses less digits than its factorization.

195005195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506530.

The product of its (nonzero) digits is 10125, while the sum is 35.

The square root of 195005195 is about 13964.4260533686. The cubic root of 195005195 is about 579.8941493317.

The spelling of 195005195 in words is "one hundred ninety-five million, five thousand, one hundred ninety-five".