353242247 has 2 divisors, whose sum is σ = 353242248. Its totient is φ = 353242246.

The previous prime is 353242237. The next prime is 353242283. The reversal of 353242247 is 742242353.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 353242247 - 2⁴ = 353242231 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (353242237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176621123 + 176621124.

It is an arithmetic number, because the mean of its divisors is an integer number (176621124).

Almost surely, 2^353242247 is an apocalyptic number.

353242247 is a deficient number, since it is larger than the sum of its proper divisors (1).

353242247 is an equidigital number, since it uses as much as digits as its factorization.

353242247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 32.

The square root of 353242247 is about 18794.7398758270. The cubic root of 353242247 is about 706.8992912455.

The spelling of 353242247 in words is "three hundred fifty-three million, two hundred forty-two thousand, two hundred forty-seven".