195260819 has 8 divisors (see below), whose sum is σ = 215410272. Its totient is φ = 175844160.

The previous prime is 195260801. The next prime is 195260831. The reversal of 195260819 is 918062591.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195260819 is a prime.

It is a super-2 number, since 2×195260819² = 76253574873101522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195260519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182639 + ... + 183704.

It is an arithmetic number, because the mean of its divisors is an integer number (26926284).

Almost surely, 2^195260819 is an apocalyptic number.

195260819 is a deficient number, since it is larger than the sum of its proper divisors (20149453).

195260819 is a wasteful number, since it uses less digits than its factorization.

195260819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366397.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 195260819 is about 13973.5757413770. The cubic root of 195260819 is about 580.1474248707.

The spelling of 195260819 in words is "one hundred ninety-five million, two hundred sixty thousand, eight hundred nineteen".