194297371 has 2 divisors, whose sum is σ = 194297372. Its totient is φ = 194297370.

The previous prime is 194297297. The next prime is 194297377. The reversal of 194297371 is 173792491.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194297371 is a prime.

It is not a weakly prime, because it can be changed into another prime (194297377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97148685 + 97148686.

It is an arithmetic number, because the mean of its divisors is an integer number (97148686).

Almost surely, 2^194297371 is an apocalyptic number.

194297371 is a deficient number, since it is larger than the sum of its proper divisors (1).

194297371 is an equidigital number, since it uses as much as digits as its factorization.

194297371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 43.

The square root of 194297371 is about 13939.0591863296. The cubic root of 194297371 is about 579.1916712448.

The spelling of 194297371 in words is "one hundred ninety-four million, two hundred ninety-seven thousand, three hundred seventy-one".