43425385 has 4 divisors (see below), whose sum is σ = 52110468. Its totient is φ = 34740304.

The previous prime is 43425373. The next prime is 43425397. The reversal of 43425385 is 58352434.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (43425373) and next prime (43425397).

It can be written as a sum of positive squares in 2 ways, for example, as 11128896 + 32296489 = 3336^2 + 5683^2 .

It is a cyclic number.

It is not a de Polignac number, because 43425385 - 2⁵ = 43425353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43425385.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4342534 + ... + 4342543.

It is an arithmetic number, because the mean of its divisors is an integer number (13027617).

Almost surely, 2^43425385 is an apocalyptic number.

It is an amenable number.

43425385 is a deficient number, since it is larger than the sum of its proper divisors (8685083).

43425385 is an equidigital number, since it uses as much as digits as its factorization.

43425385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8685082.

The product of its digits is 57600, while the sum is 34.

The square root of 43425385 is about 6589.7940028502. The cubic root of 43425385 is about 351.4912831612.

The spelling of 43425385 in words is "forty-three million, four hundred twenty-five thousand, three hundred eighty-five".