195364417 has 4 divisors (see below), whose sum is σ = 195540436. Its totient is φ = 195188400.

The previous prime is 195364397. The next prime is 195364423. The reversal of 195364417 is 714463591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 714463591 = 47 ⋅15201353.

It can be written as a sum of positive squares in 2 ways, for example, as 48566961 + 146797456 = 6969^2 + 12116^2 .

It is a cyclic number.

It is not a de Polignac number, because 195364417 - 2¹¹ = 195362369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 195364417.

It is not an unprimeable number, because it can be changed into a prime (195364427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86334 + ... + 88567.

It is an arithmetic number, because the mean of its divisors is an integer number (48885109).

Almost surely, 2^195364417 is an apocalyptic number.

It is an amenable number.

195364417 is a deficient number, since it is larger than the sum of its proper divisors (176019).

195364417 is a wasteful number, since it uses less digits than its factorization.

195364417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176018.

The product of its digits is 90720, while the sum is 40.

The square root of 195364417 is about 13977.2821750153. The cubic root of 195364417 is about 580.2500081523.

The spelling of 195364417 in words is "one hundred ninety-five million, three hundred sixty-four thousand, four hundred seventeen".