42544349 has 2 divisors, whose sum is σ = 42544350. Its totient is φ = 42544348.

The previous prime is 42544343. The next prime is 42544357. The reversal of 42544349 is 94344524.

42544349 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., 42484324 + 60025 = 6518^2 + 245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42544349 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 (42544343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21272174 + 21272175.

It is an arithmetic number, because the mean of its divisors is an integer number (21272175).

Almost surely, 2^42544349 is an apocalyptic number.

It is an amenable number.

42544349 is a deficient number, since it is larger than the sum of its proper divisors (1).

42544349 is an equidigital number, since it uses as much as digits as its factorization.

42544349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 35.

The square root of 42544349 is about 6522.6029313457. The cubic root of 42544349 is about 349.0979465266.

The spelling of 42544349 in words is "forty-two million, five hundred forty-four thousand, three hundred forty-nine".