194675249 has 2 divisors, whose sum is σ = 194675250. Its totient is φ = 194675248.

The previous prime is 194675227. The next prime is 194675251. The reversal of 194675249 is 942576491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194323600 + 351649 = 13940^2 + 593^2 .

It is a cyclic number.

It is not a de Polignac number, because 194675249 - 2⁸ = 194674993 is a prime.

Together with 194675251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (194675549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97337624 + 97337625.

It is an arithmetic number, because the mean of its divisors is an integer number (97337625).

Almost surely, 2^194675249 is an apocalyptic number.

It is an amenable number.

194675249 is a deficient number, since it is larger than the sum of its proper divisors (1).

194675249 is an equidigital number, since it uses as much as digits as its factorization.

194675249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The square root of 194675249 is about 13952.6072473929. The cubic root of 194675249 is about 579.5669071646.

The spelling of 194675249 in words is "one hundred ninety-four million, six hundred seventy-five thousand, two hundred forty-nine".