434240249 has 2 divisors, whose sum is σ = 434240250. Its totient is φ = 434240248.

The previous prime is 434240243. The next prime is 434240341. The reversal of 434240249 is 942042434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267649600 + 166590649 = 16360^2 + 12907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434240249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (434240243) 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, 217120124 + 217120125.

It is an arithmetic number, because the mean of its divisors is an integer number (217120125).

Almost surely, 2^434240249 is an apocalyptic number.

It is an amenable number.

434240249 is a deficient number, since it is larger than the sum of its proper divisors (1).

434240249 is an equidigital number, since it uses as much as digits as its factorization.

434240249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 434240249 is about 20838.4320187484. The cubic root of 434240249 is about 757.2571076586.

The spelling of 434240249 in words is "four hundred thirty-four million, two hundred forty thousand, two hundred forty-nine".