201701953 has 2 divisors, whose sum is σ = 201701954. Its totient is φ = 201701952.

The previous prime is 201701917. The next prime is 201702023. The reversal of 201701953 is 359107102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181926144 + 19775809 = 13488^2 + 4447^2 .

It is a cyclic number.

It is not a de Polignac number, because 201701953 - 2¹³ = 201693761 is a prime.

It is not a weakly prime, because it can be changed into another prime (201701453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100850976 + 100850977.

It is an arithmetic number, because the mean of its divisors is an integer number (100850977).

Almost surely, 2^201701953 is an apocalyptic number.

It is an amenable number.

201701953 is a deficient number, since it is larger than the sum of its proper divisors (1).

201701953 is an equidigital number, since it uses as much as digits as its factorization.

201701953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 201701953 is about 14202.1812761280. The cubic root of 201701953 is about 586.4577112176.

The spelling of 201701953 in words is "two hundred one million, seven hundred one thousand, nine hundred fifty-three".