4451425 has 12 divisors (see below), whose sum is σ = 6021936. Its totient is φ = 3237200.

The previous prime is 4451423. The next prime is 4451429. The reversal of 4451425 is 5241544.

It is a happy number.

It is not a de Polignac number, because 4451425 - 2¹ = 4451423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

4451425 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4451425.

It is not an unprimeable number, because it can be changed into a prime (4451423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7819 + ... + 8368.

It is an arithmetic number, because the mean of its divisors is an integer number (501828).

Almost surely, 2^4451425 is an apocalyptic number.

It is an amenable number.

4451425 is a deficient number, since it is larger than the sum of its proper divisors (1570511).

4451425 is a wasteful number, since it uses less digits than its factorization.

4451425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16208 (or 16203 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 4451425 is about 2109.8400413301. The cubic root of 4451425 is about 164.5001709147.

Adding to 4451425 its reverse (5241544), we get a palindrome (9692969).

The spelling of 4451425 in words is "four million, four hundred fifty-one thousand, four hundred twenty-five".