4644425 has 12 divisors (see below), whose sum is σ = 5915916. Its totient is φ = 3614400.

The previous prime is 4644403. The next prime is 4644433. The reversal of 4644425 is 5244464.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 466489 + 4177936 = 683^2 + 2044^2 .

It is not a de Polignac number, because 4644425 - 2⁶ = 4644361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1586 + ... + 3435.

It is an arithmetic number, because the mean of its divisors is an integer number (492993).

Almost surely, 2^4644425 is an apocalyptic number.

It is an amenable number.

4644425 is a deficient number, since it is larger than the sum of its proper divisors (1271491).

4644425 is a wasteful number, since it uses less digits than its factorization.

4644425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068 (or 5063 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 4644425 is about 2155.0928054263. The cubic root of 4644425 is about 166.8440223140.

Adding to 4644425 its reverse (5244464), we get a palindrome (9888889).

The spelling of 4644425 in words is "four million, six hundred forty-four thousand, four hundred twenty-five".