42494453 has 2 divisors, whose sum is σ = 42494454. Its totient is φ = 42494452.

The previous prime is 42494447. The next prime is 42494467. The reversal of 42494453 is 35449424.

42494453 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., 41049649 + 1444804 = 6407^2 + 1202^2 .

It is a cyclic number.

It is not a de Polignac number, because 42494453 - 2⁸ = 42494197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42491453) 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, 21247226 + 21247227.

It is an arithmetic number, because the mean of its divisors is an integer number (21247227).

Almost surely, 2^42494453 is an apocalyptic number.

It is an amenable number.

42494453 is a deficient number, since it is larger than the sum of its proper divisors (1).

42494453 is an equidigital number, since it uses as much as digits as its factorization.

42494453 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 42494453 is about 6518.7769558407. The cubic root of 42494453 is about 348.9614191499.

The spelling of 42494453 in words is "forty-two million, four hundred ninety-four thousand, four hundred fifty-three".