103201993 has 2 divisors, whose sum is σ = 103201994. Its totient is φ = 103201992.

The previous prime is 103201937. The next prime is 103202009. The reversal of 103201993 is 399102301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97456384 + 5745609 = 9872^2 + 2397^2 .

It is a cyclic number.

It is not a de Polignac number, because 103201993 - 2⁹ = 103201481 is a prime.

It is not a weakly prime, because it can be changed into another prime (103201793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51600996 + 51600997.

It is an arithmetic number, because the mean of its divisors is an integer number (51600997).

Almost surely, 2^103201993 is an apocalyptic number.

It is an amenable number.

103201993 is a deficient number, since it is larger than the sum of its proper divisors (1).

103201993 is an equidigital number, since it uses as much as digits as its factorization.

103201993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 103201993 is about 10158.8381717596. The cubic root of 103201993 is about 469.0610392412.

The spelling of 103201993 in words is "one hundred three million, two hundred one thousand, nine hundred ninety-three".