438532625 has 16 divisors (see below), whose sum is σ = 548031744. Its totient is φ = 350350000.

The previous prime is 438532583. The next prime is 438532631. The reversal of 438532625 is 526235834.

It is a happy number.

It is not a de Polignac number, because 438532625 - 2²⁰ = 437484049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111950 + ... + 115800.

It is an arithmetic number, because the mean of its divisors is an integer number (34251984).

Almost surely, 2^438532625 is an apocalyptic number.

It is an amenable number.

438532625 is a deficient number, since it is larger than the sum of its proper divisors (109499119).

438532625 is an equidigital number, since it uses as much as digits as its factorization.

438532625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777 (or 4767 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 438532625 is about 20941.1705737764. The cubic root of 438532625 is about 759.7440418072.

The spelling of 438532625 in words is "four hundred thirty-eight million, five hundred thirty-two thousand, six hundred twenty-five".