434445247 has 2 divisors, whose sum is σ = 434445248. Its totient is φ = 434445246.

The previous prime is 434445199. The next prime is 434445257. The reversal of 434445247 is 742544434.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434445247 - 2¹⁵ = 434412479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434445257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217222623 + 217222624.

It is an arithmetic number, because the mean of its divisors is an integer number (217222624).

Almost surely, 2^434445247 is an apocalyptic number.

434445247 is a deficient number, since it is larger than the sum of its proper divisors (1).

434445247 is an equidigital number, since it uses as much as digits as its factorization.

434445247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 37.

The square root of 434445247 is about 20843.3501865703. The cubic root of 434445247 is about 757.3762519734.

The spelling of 434445247 in words is "four hundred thirty-four million, four hundred forty-five thousand, two hundred forty-seven".