197683147 has 2 divisors, whose sum is σ = 197683148. Its totient is φ = 197683146.

The previous prime is 197683139. The next prime is 197683153. The reversal of 197683147 is 741386791.

It is a strong prime.

It is an emirp because it is prime and its reverse (741386791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 197683147 - 2³ = 197683139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 197683097 and 197683106.

It is not a weakly prime, because it can be changed into another prime (197683117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98841573 + 98841574.

It is an arithmetic number, because the mean of its divisors is an integer number (98841574).

Almost surely, 2^197683147 is an apocalyptic number.

197683147 is a deficient number, since it is larger than the sum of its proper divisors (1).

197683147 is an equidigital number, since it uses as much as digits as its factorization.

197683147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 46.

The square root of 197683147 is about 14059.9838904602. The cubic root of 197683147 is about 582.5365982396.

The spelling of 197683147 in words is "one hundred ninety-seven million, six hundred eighty-three thousand, one hundred forty-seven".