195230447 has 2 divisors, whose sum is σ = 195230448. Its totient is φ = 195230446.

The previous prime is 195230443. The next prime is 195230471. The reversal of 195230447 is 744032591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 195230447 - 2² = 195230443 is a prime.

It is a super-2 number, since 2×195230447² = 76229854871639618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195230443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97615223 + 97615224.

It is an arithmetic number, because the mean of its divisors is an integer number (97615224).

Almost surely, 2^195230447 is an apocalyptic number.

195230447 is a deficient number, since it is larger than the sum of its proper divisors (1).

195230447 is an equidigital number, since it uses as much as digits as its factorization.

195230447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 195230447 is about 13972.4889336152. The cubic root of 195230447 is about 580.1173434795.

The spelling of 195230447 in words is "one hundred ninety-five million, two hundred thirty thousand, four hundred forty-seven".