43381625 has 32 divisors (see below), whose sum is σ = 63368448. Its totient is φ = 29030400.

The previous prime is 43381619. The next prime is 43381627. The reversal of 43381625 is 52618334.

It is not a de Polignac number, because 43381625 - 2⁴ = 43381609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43381591 and 43381600.

It is not an unprimeable number, because it can be changed into a prime (43381627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37049 + ... + 38201.

It is an arithmetic number, because the mean of its divisors is an integer number (1980264).

Almost surely, 2^43381625 is an apocalyptic number.

It is an amenable number.

43381625 is a deficient number, since it is larger than the sum of its proper divisors (19986823).

43381625 is a wasteful number, since it uses less digits than its factorization.

43381625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218 (or 1208 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 43381625 is about 6586.4728800778. The cubic root of 43381625 is about 351.3731769120.

Adding to 43381625 its reverse (52618334), we get a palindrome (95999959).

The spelling of 43381625 in words is "forty-three million, three hundred eighty-one thousand, six hundred twenty-five".