43001425 has 6 divisors (see below), whose sum is σ = 53321798. Its totient is φ = 34401120.

The previous prime is 43001417. The next prime is 43001429. The reversal of 43001425 is 52410034.

It can be written as a sum of positive squares in 3 ways, for example, as 543169 + 42458256 = 737^2 + 6516^2 .

It is not a de Polignac number, because 43001425 - 2³ = 43001417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43001429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 860004 + ... + 860053.

Almost surely, 2^43001425 is an apocalyptic number.

It is an amenable number.

43001425 is a deficient number, since it is larger than the sum of its proper divisors (10320373).

43001425 is a wasteful number, since it uses less digits than its factorization.

43001425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720067 (or 1720062 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 43001425 is about 6557.5471786332. The cubic root of 43001425 is about 350.3436760287.

Adding to 43001425 its reverse (52410034), we get a palindrome (95411459).

The spelling of 43001425 in words is "forty-three million, one thousand, four hundred twenty-five".