42233825 has 6 divisors (see below), whose sum is σ = 52369974. Its totient is φ = 33787040.

The previous prime is 42233809. The next prime is 42233833. The reversal of 42233825 is 52833224.

42233825 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 9102289 + 33131536 = 3017^2 + 5756^2 .

It is not a de Polignac number, because 42233825 - 2⁴ = 42233809 is a prime.

It is a Duffinian number.

It is a Curzon 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, 844652 + ... + 844701.

It is an arithmetic number, because the mean of its divisors is an integer number (8728329).

Almost surely, 2^42233825 is an apocalyptic number.

It is an amenable number.

42233825 is a deficient number, since it is larger than the sum of its proper divisors (10136149).

42233825 is a wasteful number, since it uses less digits than its factorization.

42233825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689363 (or 1689358 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 42233825 is about 6498.7556501226. The cubic root of 42233825 is about 348.2465361195.

The spelling of 42233825 in words is "forty-two million, two hundred thirty-three thousand, eight hundred twenty-five".