201053641 has 2 divisors, whose sum is σ = 201053642. Its totient is φ = 201053640.

The previous prime is 201053623. The next prime is 201053647. The reversal of 201053641 is 146350102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123543225 + 77510416 = 11115^2 + 8804^2 .

It is a cyclic number.

It is not a de Polignac number, because 201053641 - 2⁵ = 201053609 is a prime.

It is not a weakly prime, because it can be changed into another prime (201053647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100526820 + 100526821.

It is an arithmetic number, because the mean of its divisors is an integer number (100526821).

Almost surely, 2^201053641 is an apocalyptic number.

It is an amenable number.

201053641 is a deficient number, since it is larger than the sum of its proper divisors (1).

201053641 is an equidigital number, since it uses as much as digits as its factorization.

201053641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 201053641 is about 14179.3385247691. The cubic root of 201053641 is about 585.8287044904.

The spelling of 201053641 in words is "two hundred one million, fifty-three thousand, six hundred forty-one".