43425897 has 4 divisors (see below), whose sum is σ = 57901200. Its totient is φ = 28950596.

The previous prime is 43425883. The next prime is 43425911. The reversal of 43425897 is 79852434.

43425897 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (43425883) and next prime (43425911).

It is a cyclic number.

It is not a de Polignac number, because 43425897 - 2¹⁸ = 43163753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43425097) 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 3 ways as a sum of consecutive naturals, for example, 7237647 + ... + 7237652.

It is an arithmetic number, because the mean of its divisors is an integer number (14475300).

Almost surely, 2^43425897 is an apocalyptic number.

It is an amenable number.

43425897 is a deficient number, since it is larger than the sum of its proper divisors (14475303).

43425897 is a wasteful number, since it uses less digits than its factorization.

43425897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14475302.

The product of its digits is 241920, while the sum is 42.

The square root of 43425897 is about 6589.8328506875. The cubic root of 43425897 is about 351.4926645562.

The spelling of 43425897 in words is "forty-three million, four hundred twenty-five thousand, eight hundred ninety-seven".