4525444 has 36 divisors (see below), whose sum is σ = 10054800. Its totient is φ = 1762320.

The previous prime is 4525427. The next prime is 4525463. The reversal of 4525444 is 4445254.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 1107 + ... + 3205.

It is an arithmetic number, because the mean of its divisors is an integer number (279300).

Almost surely, 2^4525444 is an apocalyptic number.

4525444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4525444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5027400).

4525444 is an abundant number, since it is smaller than the sum of its proper divisors (5529356).

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

4525444 is a wasteful number, since it uses less digits than its factorization.

4525444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128 (or 2119 counting only the distinct ones).

The product of its digits is 12800, while the sum is 28.

The square root of 4525444 is about 2127.3090983682. The cubic root of 4525444 is about 165.4069416573.

The spelling of 4525444 in words is "four million, five hundred twenty-five thousand, four hundred forty-four".