42575451 has 16 divisors (see below), whose sum is σ = 59008800. Its totient is φ = 27272448.

The previous prime is 42575413. The next prime is 42575459. The reversal of 42575451 is 15457524.

42575451 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 42575451 - 2⁶ = 42575387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42575459) 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, 18855 + ... + 20991.

It is an arithmetic number, because the mean of its divisors is an integer number (3688050).

Almost surely, 2^42575451 is an apocalyptic number.

42575451 is a deficient number, since it is larger than the sum of its proper divisors (16433349).

42575451 is a wasteful number, since it uses less digits than its factorization.

42575451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398.

The product of its digits is 28000, while the sum is 33.

The square root of 42575451 is about 6524.9866666530. The cubic root of 42575451 is about 349.1829950296.

The spelling of 42575451 in words is "forty-two million, five hundred seventy-five thousand, four hundred fifty-one".