194413 has 2 divisors, whose sum is σ = 194414. Its totient is φ = 194412.

The previous prime is 194377. The next prime is 194431. The reversal of 194413 is 314491.

Together with next prime (194431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142884 + 51529 = 378^2 + 227^2 .

It is an emirp because it is prime and its reverse (314491) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194413 is a prime.

It is equal to p₁₇₅₂₇ and since 194413 and 17527 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97206 + 97207.

It is an arithmetic number, because the mean of its divisors is an integer number (97207).

2¹⁹⁴⁴¹³ is an apocalyptic number.

It is an amenable number.

194413 is a deficient number, since it is larger than the sum of its proper divisors (1).

194413 is an equidigital number, since it uses as much as digits as its factorization.

194413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 22.

The square root of 194413 is about 440.9228957539. The cubic root of 194413 is about 57.9306543399.

The spelling of 194413 in words is "one hundred ninety-four thousand, four hundred thirteen".