197562983 has 2 divisors, whose sum is σ = 197562984. Its totient is φ = 197562982.

The previous prime is 197562947. The next prime is 197563049. The reversal of 197562983 is 389265791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 197562983 - 2⁶ = 197562919 is a prime.

It is a super-3 number, since 3×197562983³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197565983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98781491 + 98781492.

It is an arithmetic number, because the mean of its divisors is an integer number (98781492).

Almost surely, 2^197562983 is an apocalyptic number.

197562983 is a deficient number, since it is larger than the sum of its proper divisors (1).

197562983 is an equidigital number, since it uses as much as digits as its factorization.

197562983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 50.

The square root of 197562983 is about 14055.7099785105. The cubic root of 197562983 is about 582.4185404333.

The spelling of 197562983 in words is "one hundred ninety-seven million, five hundred sixty-two thousand, nine hundred eighty-three".