195007247 has 2 divisors, whose sum is σ = 195007248. Its totient is φ = 195007246.

The previous prime is 195007229. The next prime is 195007259. The reversal of 195007247 is 742700591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 195007247 - 2¹⁶ = 194941711 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195007217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97503623 + 97503624.

It is an arithmetic number, because the mean of its divisors is an integer number (97503624).

Almost surely, 2^195007247 is an apocalyptic number.

195007247 is a deficient number, since it is larger than the sum of its proper divisors (1).

195007247 is an equidigital number, since it uses as much as digits as its factorization.

195007247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 195007247 is about 13964.4995255827. The cubic root of 195007247 is about 579.8961833607.

The spelling of 195007247 in words is "one hundred ninety-five million, seven thousand, two hundred forty-seven".