43020425 has 24 divisors (see below), whose sum is σ = 62394816. Its totient is φ = 28808640.

The previous prime is 43020413. The next prime is 43020431. The reversal of 43020425 is 52402034.

It is a de Polignac number, because none of the positive numbers 2^k-43020425 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43020397 and 43020406.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4667 + ... + 10383.

It is an arithmetic number, because the mean of its divisors is an integer number (2599784).

Almost surely, 2^43020425 is an apocalyptic number.

It is an amenable number.

43020425 is a deficient number, since it is larger than the sum of its proper divisors (19374391).

43020425 is a wasteful number, since it uses less digits than its factorization.

43020425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777 (or 5772 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 43020425 is about 6558.9957310552. The cubic root of 43020425 is about 350.3952677275.

Adding to 43020425 its reverse (52402034), we get a palindrome (95422459).

The spelling of 43020425 in words is "forty-three million, twenty thousand, four hundred twenty-five".