42034551 has 16 divisors (see below), whose sum is σ = 61350240. Its totient is φ = 25441920.

The previous prime is 42034549. The next prime is 42034579. The reversal of 42034551 is 15543024.

42034551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42034551 - 2¹ = 42034549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42034051) 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 in 15 ways as a sum of consecutive naturals, for example, 6456 + ... + 11213.

It is an arithmetic number, because the mean of its divisors is an integer number (3834390).

Almost surely, 2^42034551 is an apocalyptic number.

42034551 is a deficient number, since it is larger than the sum of its proper divisors (19315689).

42034551 is a wasteful number, since it uses less digits than its factorization.

42034551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17746.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 42034551 is about 6483.4058179324. The cubic root of 42034551 is about 347.6979559795.

Adding to 42034551 its reverse (15543024), we get a palindrome (57577575).

The spelling of 42034551 in words is "forty-two million, thirty-four thousand, five hundred fifty-one".