42825543 has 8 divisors (see below), whose sum is σ = 57550848. Its totient is φ = 28325304.

The previous prime is 42825527. The next prime is 42825553. The reversal of 42825543 is 34552824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42825543 - 2⁴ = 42825527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42825553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55821 + ... + 56582.

It is an arithmetic number, because the mean of its divisors is an integer number (7193856).

Almost surely, 2^42825543 is an apocalyptic number.

42825543 is a deficient number, since it is larger than the sum of its proper divisors (14725305).

42825543 is a wasteful number, since it uses less digits than its factorization.

42825543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112533.

The product of its digits is 38400, while the sum is 33.

The square root of 42825543 is about 6544.1227830780. The cubic root of 42825543 is about 349.8653713505.

The spelling of 42825543 in words is "forty-two million, eight hundred twenty-five thousand, five hundred forty-three".