197965063 has 2 divisors, whose sum is σ = 197965064. Its totient is φ = 197965062.

The previous prime is 197965057. The next prime is 197965091. The reversal of 197965063 is 360569791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 197965063 - 2⁹ = 197964551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197965003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98982531 + 98982532.

It is an arithmetic number, because the mean of its divisors is an integer number (98982532).

Almost surely, 2^197965063 is an apocalyptic number.

197965063 is a deficient number, since it is larger than the sum of its proper divisors (1).

197965063 is an equidigital number, since it uses as much as digits as its factorization.

197965063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 197965063 is about 14070.0057924650. The cubic root of 197965063 is about 582.8133852498.

The spelling of 197965063 in words is "one hundred ninety-seven million, nine hundred sixty-five thousand, sixty-three".