197024239 has 2 divisors, whose sum is σ = 197024240. Its totient is φ = 197024238.

The previous prime is 197024227. The next prime is 197024257. The reversal of 197024239 is 932420791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 197024239 - 2¹⁹ = 196499951 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 197024198 and 197024207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197024539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98512119 + 98512120.

It is an arithmetic number, because the mean of its divisors is an integer number (98512120).

Almost surely, 2^197024239 is an apocalyptic number.

197024239 is a deficient number, since it is larger than the sum of its proper divisors (1).

197024239 is an equidigital number, since it uses as much as digits as its factorization.

197024239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 197024239 is about 14036.5322996814. The cubic root of 197024239 is about 581.8886501036. Note that the first 3 decimals are identical.

The spelling of 197024239 in words is "one hundred ninety-seven million, twenty-four thousand, two hundred thirty-nine".