42825133 has 8 divisors (see below), whose sum is σ = 46431000. Its totient is φ = 39263808.

The previous prime is 42825089. The next prime is 42825137. The reversal of 42825133 is 33152824.

It can be written as a sum of positive squares in 4 ways, for example, as 2350089 + 40475044 = 1533^2 + 6362^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42825133 - 2¹³ = 42816941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42825137) 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, 9118 + ... + 12991.

It is an arithmetic number, because the mean of its divisors is an integer number (5803875).

Almost surely, 2^42825133 is an apocalyptic number.

It is an amenable number.

42825133 is a deficient number, since it is larger than the sum of its proper divisors (3605867).

42825133 is a wasteful number, since it uses less digits than its factorization.

42825133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22271.

The product of its digits is 5760, while the sum is 28.

The square root of 42825133 is about 6544.0914571849. The cubic root of 42825133 is about 349.8642548419.

Adding to 42825133 its reverse (33152824), we get a palindrome (75977957).

The spelling of 42825133 in words is "forty-two million, eight hundred twenty-five thousand, one hundred thirty-three".