195057593 has 2 divisors, whose sum is σ = 195057594. Its totient is φ = 195057592.

The previous prime is 195057587. The next prime is 195057607. The reversal of 195057593 is 395750591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160858489 + 34199104 = 12683^2 + 5848^2 .

It is a cyclic number.

It is not a de Polignac number, because 195057593 - 2⁶ = 195057529 is a prime.

It is not a weakly prime, because it can be changed into another prime (195057523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97528796 + 97528797.

It is an arithmetic number, because the mean of its divisors is an integer number (97528797).

Almost surely, 2^195057593 is an apocalyptic number.

It is an amenable number.

195057593 is a deficient number, since it is larger than the sum of its proper divisors (1).

195057593 is an equidigital number, since it uses as much as digits as its factorization.

195057593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 212625, while the sum is 44.

The square root of 195057593 is about 13966.3020517244. The cubic root of 195057593 is about 579.9460839696.

The spelling of 195057593 in words is "one hundred ninety-five million, fifty-seven thousand, five hundred ninety-three".