194263 has 2 divisors, whose sum is σ = 194264. Its totient is φ = 194262.

The previous prime is 194239. The next prime is 194267. The reversal of 194263 is 362491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 194263 - 2⁹ = 193751 is a prime.

It is a super-2 number, since 2×194263² = 75476226338, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 9 + 2¹⁷ + 4⁶ + 6² + 3¹⁰ .

194263 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194267) 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, 97131 + 97132.

It is an arithmetic number, because the mean of its divisors is an integer number (97132).

2¹⁹⁴²⁶³ is an apocalyptic number.

194263 is a deficient number, since it is larger than the sum of its proper divisors (1).

194263 is an equidigital number, since it uses as much as digits as its factorization.

194263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

The square root of 194263 is about 440.7527651643. The cubic root of 194263 is about 57.9157516432.

The spelling of 194263 in words is "one hundred ninety-four thousand, two hundred sixty-three".