43238425 has 12 divisors (see below), whose sum is σ = 54220860. Its totient is φ = 34200320.

The previous prime is 43238423. The next prime is 43238441. The reversal of 43238425 is 52483234.

It can be written as a sum of positive squares in 6 ways, for example, as 11923209 + 31315216 = 3453^2 + 5596^2 .

It is not a de Polignac number, because 43238425 - 2¹ = 43238423 is a prime.

It is a super-2 number, since 2×43238425² = 3739122792961250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43238423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7492 + ... + 11941.

It is an arithmetic number, because the mean of its divisors is an integer number (4518405).

Almost surely, 2^43238425 is an apocalyptic number.

It is an amenable number.

43238425 is a deficient number, since it is larger than the sum of its proper divisors (10982435).

43238425 is a wasteful number, since it uses less digits than its factorization.

43238425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19532 (or 19527 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 43238425 is about 6575.5931291405. The cubic root of 43238425 is about 350.9861305169.

The spelling of 43238425 in words is "forty-three million, two hundred thirty-eight thousand, four hundred twenty-five".