194560493 has 2 divisors, whose sum is σ = 194560494. Its totient is φ = 194560492.

The previous prime is 194560481. The next prime is 194560543. The reversal of 194560493 is 394065491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121594729 + 72965764 = 11027^2 + 8542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194560493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194560493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194560453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97280246 + 97280247.

It is an arithmetic number, because the mean of its divisors is an integer number (97280247).

Almost surely, 2^194560493 is an apocalyptic number.

It is an amenable number.

194560493 is a deficient number, since it is larger than the sum of its proper divisors (1).

194560493 is an equidigital number, since it uses as much as digits as its factorization.

194560493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 194560493 is about 13948.4942914997. The cubic root of 194560493 is about 579.4530049042.

The spelling of 194560493 in words is "one hundred ninety-four million, five hundred sixty thousand, four hundred ninety-three".