202041797 has 2 divisors, whose sum is σ = 202041798. Its totient is φ = 202041796.

The previous prime is 202041781. The next prime is 202041799. The reversal of 202041797 is 797140202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201810436 + 231361 = 14206^2 + 481^2 .

It is a cyclic number.

It is not a de Polignac number, because 202041797 - 2⁴ = 202041781 is a prime.

Together with 202041799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202041799) 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, 101020898 + 101020899.

It is an arithmetic number, because the mean of its divisors is an integer number (101020899).

Almost surely, 2^202041797 is an apocalyptic number.

It is an amenable number.

202041797 is a deficient number, since it is larger than the sum of its proper divisors (1).

202041797 is an equidigital number, since it uses as much as digits as its factorization.

202041797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 202041797 is about 14214.1407408257. The cubic root of 202041797 is about 586.7868970972.

Adding to 202041797 its reverse (797140202), we get a palindrome (999181999).

The spelling of 202041797 in words is "two hundred two million, forty-one thousand, seven hundred ninety-seven".