194925163 has 2 divisors, whose sum is σ = 194925164. Its totient is φ = 194925162.

The previous prime is 194925109. The next prime is 194925187. The reversal of 194925163 is 361529491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 194925163 - 2¹⁷ = 194794091 is a prime.

It is not a weakly prime, because it can be changed into another prime (194925103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97462581 + 97462582.

It is an arithmetic number, because the mean of its divisors is an integer number (97462582).

Almost surely, 2^194925163 is an apocalyptic number.

194925163 is a deficient number, since it is larger than the sum of its proper divisors (1).

194925163 is an equidigital number, since it uses as much as digits as its factorization.

194925163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 40.

The square root of 194925163 is about 13961.5601921848. The cubic root of 194925163 is about 579.8148071052.

The spelling of 194925163 in words is "one hundred ninety-four million, nine hundred twenty-five thousand, one hundred sixty-three".