197082247 has 2 divisors, whose sum is σ = 197082248. Its totient is φ = 197082246.

The previous prime is 197082227. The next prime is 197082251. The reversal of 197082247 is 742280791.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 197082247 - 2²³ = 188693639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197082217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98541123 + 98541124.

It is an arithmetic number, because the mean of its divisors is an integer number (98541124).

Almost surely, 2^197082247 is an apocalyptic number.

197082247 is a deficient number, since it is larger than the sum of its proper divisors (1).

197082247 is an equidigital number, since it uses as much as digits as its factorization.

197082247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 197082247 is about 14038.5984699328. The cubic root of 197082247 is about 581.9457511738.

The spelling of 197082247 in words is "one hundred ninety-seven million, eighty-two thousand, two hundred forty-seven".