201946061 has 2 divisors, whose sum is σ = 201946062. Its totient is φ = 201946060.

The previous prime is 201946027. The next prime is 201946067. The reversal of 201946061 is 160649102.

201946061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160909225 + 41036836 = 12685^2 + 6406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201946061 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201946067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100973030 + 100973031.

It is an arithmetic number, because the mean of its divisors is an integer number (100973031).

Almost surely, 2^201946061 is an apocalyptic number.

It is an amenable number.

201946061 is a deficient number, since it is larger than the sum of its proper divisors (1).

201946061 is an equidigital number, since it uses as much as digits as its factorization.

201946061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 201946061 is about 14210.7727094624. The cubic root of 201946061 is about 586.6942009216.

The spelling of 201946061 in words is "two hundred one million, nine hundred forty-six thousand, sixty-one".