42063451 has 2 divisors, whose sum is σ = 42063452. Its totient is φ = 42063450.

The previous prime is 42063443. The next prime is 42063467. The reversal of 42063451 is 15436024.

42063451 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 is a cyclic number.

It is not a de Polignac number, because 42063451 - 2³ = 42063443 is a prime.

It is equal to p_2551219 and since 42063451 and 2551219 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (42063421) 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, 21031725 + 21031726.

It is an arithmetic number, because the mean of its divisors is an integer number (21031726).

Almost surely, 2^42063451 is an apocalyptic number.

42063451 is a deficient number, since it is larger than the sum of its proper divisors (1).

42063451 is an equidigital number, since it uses as much as digits as its factorization.

42063451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 42063451 is about 6485.6342018341. The cubic root of 42063451 is about 347.7776219423. Note that the first 3 decimals are identical.

Adding to 42063451 its reverse (15436024), we get a palindrome (57499475).

The spelling of 42063451 in words is "forty-two million, sixty-three thousand, four hundred fifty-one".