197471383 has 2 divisors, whose sum is σ = 197471384. Its totient is φ = 197471382.

The previous prime is 197471381. The next prime is 197471401. The reversal of 197471383 is 383174791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 197471383 - 2¹ = 197471381 is a prime.

Together with 197471381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197471381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98735691 + 98735692.

It is an arithmetic number, because the mean of its divisors is an integer number (98735692).

Almost surely, 2^197471383 is an apocalyptic number.

197471383 is a deficient number, since it is larger than the sum of its proper divisors (1).

197471383 is an equidigital number, since it uses as much as digits as its factorization.

197471383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 43.

The square root of 197471383 is about 14052.4511385025. The cubic root of 197471383 is about 582.3285138086.

The spelling of 197471383 in words is "one hundred ninety-seven million, four hundred seventy-one thousand, three hundred eighty-three".