42733525 has 6 divisors (see below), whose sum is σ = 52989602. Its totient is φ = 34186800.

The previous prime is 42733507. The next prime is 42733573. The reversal of 42733525 is 52533724.

42733525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1156 + 42732369 = 34^2 + 6537^2 .

It is not a de Polignac number, because 42733525 - 2¹¹ = 42731477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 854646 + ... + 854695.

Almost surely, 2^42733525 is an apocalyptic number.

It is an amenable number.

42733525 is a deficient number, since it is larger than the sum of its proper divisors (10256077).

42733525 is a wasteful number, since it uses less digits than its factorization.

42733525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709351 (or 1709346 counting only the distinct ones).

The product of its digits is 25200, while the sum is 31.

The square root of 42733525 is about 6537.0884191664. The cubic root of 42733525 is about 349.6146098105.

The spelling of 42733525 in words is "forty-two million, seven hundred thirty-three thousand, five hundred twenty-five".