4487625 has 24 divisors (see below), whose sum is σ = 8091720. Its totient is φ = 2392800.

The previous prime is 4487621. The next prime is 4487627. The reversal of 4487625 is 5267844.

It can be written as a sum of positive squares in 4 ways, for example, as 227529 + 4260096 = 477^2 + 2064^2 .

It is not a de Polignac number, because 4487625 - 2² = 4487621 is a prime.

4487625 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4487625.

It is not an unprimeable number, because it can be changed into a prime (4487621) 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 23 ways as a sum of consecutive naturals, for example, 870 + ... + 3119.

It is an arithmetic number, because the mean of its divisors is an integer number (337155).

Almost surely, 2^4487625 is an apocalyptic number.

4487625 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4487625 is a deficient number, since it is larger than the sum of its proper divisors (3604095).

4487625 is a wasteful number, since it uses less digits than its factorization.

4487625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010 (or 3997 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 4487625 is about 2118.4015200146. The cubic root of 4487625 is about 164.9448851734.

The spelling of 4487625 in words is "four million, four hundred eighty-seven thousand, six hundred twenty-five".