190247297 has 2 divisors, whose sum is σ = 190247298. Its totient is φ = 190247296.

The previous prime is 190247293. The next prime is 190247311. The reversal of 190247297 is 792742091.

190247297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101586241 + 88661056 = 10079^2 + 9416^2 .

It is a cyclic number.

It is not a de Polignac number, because 190247297 - 2² = 190247293 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (190247293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95123648 + 95123649.

It is an arithmetic number, because the mean of its divisors is an integer number (95123649).

Almost surely, 2^190247297 is an apocalyptic number.

It is an amenable number.

190247297 is a deficient number, since it is larger than the sum of its proper divisors (1).

190247297 is an equidigital number, since it uses as much as digits as its factorization.

190247297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 190247297 is about 13793.0162401122. The cubic root of 190247297 is about 575.1390181826.

The spelling of 190247297 in words is "one hundred ninety million, two hundred forty-seven thousand, two hundred ninety-seven".