195497315 has 16 divisors (see below), whose sum is σ = 260795136. Its totient is φ = 139708800.

The previous prime is 195497273. The next prime is 195497321. The reversal of 195497315 is 513794591.

It is not a de Polignac number, because 195497315 - 2²⁶ = 128388451 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46496 + ... + 50525.

It is an arithmetic number, because the mean of its divisors is an integer number (16299696).

Almost surely, 2^195497315 is an apocalyptic number.

195497315 is a deficient number, since it is larger than the sum of its proper divisors (65297821).

195497315 is a wasteful number, since it uses less digits than its factorization.

195497315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97070.

The product of its digits is 170100, while the sum is 44.

The square root of 195497315 is about 13982.0354383759. The cubic root of 195497315 is about 580.3815513602.

The spelling of 195497315 in words is "one hundred ninety-five million, four hundred ninety-seven thousand, three hundred fifteen".