195260491 has 4 divisors (see below), whose sum is σ = 200022984. Its totient is φ = 190498000.

The previous prime is 195260431. The next prime is 195260519. The reversal of 195260491 is 194062591.

195260491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 194062591 = 1097 ⋅176903.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195260491 is a prime.

It is a super-3 number, since 3×195260491³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 195260491.

It is not an unprimeable number, because it can be changed into a prime (195260411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2381185 + ... + 2381266.

It is an arithmetic number, because the mean of its divisors is an integer number (50005746).

Almost surely, 2^195260491 is an apocalyptic number.

195260491 is a deficient number, since it is larger than the sum of its proper divisors (4762493).

195260491 is an equidigital number, since it uses as much as digits as its factorization.

195260491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762492.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 195260491 is about 13973.5640049345. The cubic root of 195260491 is about 580.1471000257.

The spelling of 195260491 in words is "one hundred ninety-five million, two hundred sixty thousand, four hundred ninety-one".