194965201 has 2 divisors, whose sum is σ = 194965202. Its totient is φ = 194965200.

The previous prime is 194965171. The next prime is 194965241. The reversal of 194965201 is 102569491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194323600 + 641601 = 13940^2 + 801^2 .

It is a cyclic number.

It is not a de Polignac number, because 194965201 - 2⁹ = 194964689 is a prime.

It is a super-2 number, since 2×194965201² = 76022859201940802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (194965241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97482600 + 97482601.

It is an arithmetic number, because the mean of its divisors is an integer number (97482601).

Almost surely, 2^194965201 is an apocalyptic number.

It is an amenable number.

194965201 is a deficient number, since it is larger than the sum of its proper divisors (1).

194965201 is an equidigital number, since it uses as much as digits as its factorization.

194965201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 194965201 is about 13962.9939840995. The cubic root of 194965201 is about 579.8545027430.

The spelling of 194965201 in words is "one hundred ninety-four million, nine hundred sixty-five thousand, two hundred one".