196500973 has 2 divisors, whose sum is σ = 196500974. Its totient is φ = 196500972.

The previous prime is 196500919. The next prime is 196501001. The reversal of 196500973 is 379005691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166874724 + 29626249 = 12918^2 + 5443^2 .

It is an emirp because it is prime and its reverse (379005691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196500973 - 2²⁵ = 162946541 is a prime.

It is a super-2 number, since 2×196500973² = 77225264779893458, which contains 22 as substring.

It is equal to p_10895980 and since 196500973 and 10895980 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196500173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98250486 + 98250487.

It is an arithmetic number, because the mean of its divisors is an integer number (98250487).

Almost surely, 2^196500973 is an apocalyptic number.

It is an amenable number.

196500973 is a deficient number, since it is larger than the sum of its proper divisors (1).

196500973 is an equidigital number, since it uses as much as digits as its factorization.

196500973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 196500973 is about 14017.8804745939. The cubic root of 196500973 is about 581.3730578779.

The spelling of 196500973 in words is "one hundred ninety-six million, five hundred thousand, nine hundred seventy-three".