195482891 has 2 divisors, whose sum is σ = 195482892. Its totient is φ = 195482890.

The previous prime is 195482851. The next prime is 195482899. The reversal of 195482891 is 198284591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 195482891 - 2⁶ = 195482827 is a prime.

It is not a weakly prime, because it can be changed into another prime (195482899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97741445 + 97741446.

It is an arithmetic number, because the mean of its divisors is an integer number (97741446).

Almost surely, 2^195482891 is an apocalyptic number.

195482891 is a deficient number, since it is larger than the sum of its proper divisors (1).

195482891 is an equidigital number, since it uses as much as digits as its factorization.

195482891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 47.

The square root of 195482891 is about 13981.5196241324. The cubic root of 195482891 is about 580.3672772863.

The spelling of 195482891 in words is "one hundred ninety-five million, four hundred eighty-two thousand, eight hundred ninety-one".