4581252 has 72 divisors (see below), whose sum is σ = 12912480. Its totient is φ = 1404000.

The previous prime is 4581251. The next prime is 4581277. The reversal of 4581252 is 2521854.

It is a happy number.

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

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (4581251) 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, 18127 + ... + 18377.

It is an arithmetic number, because the mean of its divisors is an integer number (179340).

Almost surely, 2^4581252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4581252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6456240).

4581252 is an abundant number, since it is smaller than the sum of its proper divisors (8331228).

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

4581252 is a wasteful number, since it uses less digits than its factorization.

4581252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 269 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 4581252 is about 2140.3859465059. The cubic root of 4581252 is about 166.0841011884.

The spelling of 4581252 in words is "four million, five hundred eighty-one thousand, two hundred fifty-two".