195197153 has 2 divisors, whose sum is σ = 195197154. Its totient is φ = 195197152.

The previous prime is 195197147. The next prime is 195197207. The reversal of 195197153 is 351791591.

195197153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176810209 + 18386944 = 13297^2 + 4288^2 .

It is a cyclic number.

It is not a de Polignac number, because 195197153 - 2¹² = 195193057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195197153.

It is not a weakly prime, because it can be changed into another prime (195190153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97598576 + 97598577.

It is an arithmetic number, because the mean of its divisors is an integer number (97598577).

Almost surely, 2^195197153 is an apocalyptic number.

It is an amenable number.

195197153 is a deficient number, since it is larger than the sum of its proper divisors (1).

195197153 is an equidigital number, since it uses as much as digits as its factorization.

195197153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42525, while the sum is 41.

The square root of 195197153 is about 13971.2974701708. The cubic root of 195197153 is about 580.0843644621.

The spelling of 195197153 in words is "one hundred ninety-five million, one hundred ninety-seven thousand, one hundred fifty-three".