194906461 has 2 divisors, whose sum is σ = 194906462. Its totient is φ = 194906460.

The previous prime is 194906449. The next prime is 194906473. The reversal of 194906461 is 164609491.

It is a balanced prime because it is at equal distance from previous prime (194906449) and next prime (194906473).

It can be written as a sum of positive squares in only one way, i.e., 193043236 + 1863225 = 13894^2 + 1365^2 .

It is a cyclic number.

It is not a de Polignac number, because 194906461 - 2¹⁷ = 194775389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194916461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97453230 + 97453231.

It is an arithmetic number, because the mean of its divisors is an integer number (97453231).

Almost surely, 2^194906461 is an apocalyptic number.

194906461 is the 6244-th centered decagonal number.

It is an amenable number.

194906461 is a deficient number, since it is larger than the sum of its proper divisors (1).

194906461 is an equidigital number, since it uses as much as digits as its factorization.

194906461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 194906461 is about 13960.8904085664. The cubic root of 194906461 is about 579.7962631622.

The spelling of 194906461 in words is "one hundred ninety-four million, nine hundred six thousand, four hundred sixty-one".