201993713 has 2 divisors, whose sum is σ = 201993714. Its totient is φ = 201993712.

The previous prime is 201993709. The next prime is 201993719. The reversal of 201993713 is 317399102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201980944 + 12769 = 14212^2 + 113^2 .

It is a cyclic number.

It is not a de Polignac number, because 201993713 - 2² = 201993709 is a prime.

It is a super-3 number, since 3×201993713³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (201993719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100996856 + 100996857.

It is an arithmetic number, because the mean of its divisors is an integer number (100996857).

Almost surely, 2^201993713 is an apocalyptic number.

It is an amenable number.

201993713 is a deficient number, since it is larger than the sum of its proper divisors (1).

201993713 is an equidigital number, since it uses as much as digits as its factorization.

201993713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 201993713 is about 14212.4492259427. The cubic root of 201993713 is about 586.7403435289.

The spelling of 201993713 in words is "two hundred one million, nine hundred ninety-three thousand, seven hundred thirteen".