195113153 has 2 divisors, whose sum is σ = 195113154. Its totient is φ = 195113152.

The previous prime is 195113143. The next prime is 195113203. The reversal of 195113153 is 351311591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174979984 + 20133169 = 13228^2 + 4487^2 .

It is a cyclic number.

It is not a de Polignac number, because 195113153 - 2¹⁶ = 195047617 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (195113143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97556576 + 97556577.

It is an arithmetic number, because the mean of its divisors is an integer number (97556577).

Almost surely, 2^195113153 is an apocalyptic number.

It is an amenable number.

195113153 is a deficient number, since it is larger than the sum of its proper divisors (1).

195113153 is an equidigital number, since it uses as much as digits as its factorization.

195113153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2025, while the sum is 29.

The square root of 195113153 is about 13968.2909835098. The cubic root of 195113153 is about 580.0011424868.

The spelling of 195113153 in words is "one hundred ninety-five million, one hundred thirteen thousand, one hundred fifty-three".