4521132 has 108 divisors (see below), whose sum is σ = 14565096. Its totient is φ = 1169280.

The previous prime is 4521113. The next prime is 4521151. The reversal of 4521132 is 2311254.

It is an interprime number because it is at equal distance from previous prime (4521113) and next prime (4521151).

It is a super-2 number, since 2×4521132² = 40881269122848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19288 + ... + 19520.

It is an arithmetic number, because the mean of its divisors is an integer number (134862).

Almost surely, 2^4521132 is an apocalyptic number.

4521132 is a gapful number since it is divisible by the number (42) 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 4521132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7282548).

4521132 is an abundant number, since it is smaller than the sum of its proper divisors (10043964).

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

4521132 is a wasteful number, since it uses less digits than its factorization.

4521132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 256 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 4521132 is about 2126.2953698863. The cubic root of 4521132 is about 165.3543898058.

Adding to 4521132 its reverse (2311254), we get a palindrome (6832386).

The spelling of 4521132 in words is "four million, five hundred twenty-one thousand, one hundred thirty-two".