197612983 has 2 divisors, whose sum is σ = 197612984. Its totient is φ = 197612982.

The previous prime is 197612953. The next prime is 197613029. The reversal of 197612983 is 389216791.

It is a happy number.

It is an a-pointer prime, because the next prime (197613029) can be obtained adding 197612983 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197612983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197612903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98806491 + 98806492.

It is an arithmetic number, because the mean of its divisors is an integer number (98806492).

Almost surely, 2^197612983 is an apocalyptic number.

197612983 is a deficient number, since it is larger than the sum of its proper divisors (1).

197612983 is an equidigital number, since it uses as much as digits as its factorization.

197612983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 46.

The square root of 197612983 is about 14057.4885025740. The cubic root of 197612983 is about 582.4676698641.

The spelling of 197612983 in words is "one hundred ninety-seven million, six hundred twelve thousand, nine hundred eighty-three".