4424625 has 80 divisors (see below), whose sum is σ = 9060480. Its totient is φ = 2138400.

The previous prime is 4424621. The next prime is 4424639. The reversal of 4424625 is 5264244.

It is not a de Polignac number, because 4424625 - 2² = 4424621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 4 + 4⁸ + 2³ + 4⁹ + 6⁶ + 2²¹ + 5⁹ .

It is not an unprimeable number, because it can be changed into a prime (4424621) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 192364 + ... + 192386.

It is an arithmetic number, because the mean of its divisors is an integer number (113256).

Almost surely, 2^4424625 is an apocalyptic number.

4424625 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4424625 is an abundant number, since it is smaller than the sum of its proper divisors (4635855).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4424625 is a wasteful number, since it uses less digits than its factorization.

4424625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 50 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 4424625 is about 2103.4792606536. The cubic root of 4424625 is about 164.1693793374.

Adding to 4424625 its reverse (5264244), we get a palindrome (9688869).

The spelling of 4424625 in words is "four million, four hundred twenty-four thousand, six hundred twenty-five".