202102097 has 2 divisors, whose sum is σ = 202102098. Its totient is φ = 202102096.

The previous prime is 202102093. The next prime is 202102123. The reversal of 202102097 is 790201202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189998656 + 12103441 = 13784^2 + 3479^2 .

It is a cyclic number.

It is not a de Polignac number, because 202102097 - 2² = 202102093 is a prime.

It is a super-2 number, since 2×202102097² = 81690515223594818, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (202102093) 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, 101051048 + 101051049.

It is an arithmetic number, because the mean of its divisors is an integer number (101051049).

Almost surely, 2^202102097 is an apocalyptic number.

It is an amenable number.

202102097 is a deficient number, since it is larger than the sum of its proper divisors (1).

202102097 is an equidigital number, since it uses as much as digits as its factorization.

202102097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 202102097 is about 14216.2617097463. The cubic root of 202102097 is about 586.8452674129.

Adding to 202102097 its reverse (790201202), we get a palindrome (992303299).

The spelling of 202102097 in words is "two hundred two million, one hundred two thousand, ninety-seven".