4533140 has 12 divisors (see below), whose sum is σ = 9519636. Its totient is φ = 1813248.

The previous prime is 4533131. The next prime is 4533149. The reversal of 4533140 is 413354.

It is an interprime number because it is at equal distance from previous prime (4533131) and next prime (4533149).

It can be written as a sum of positive squares in 2 ways, for example, as 3556996 + 976144 = 1886^2 + 988^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 226657 = 4533140 / (4 + 5 + 3 + 3 + 1 + 4 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4533149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113309 + ... + 113348.

It is an arithmetic number, because the mean of its divisors is an integer number (793303).

Almost surely, 2^4533140 is an apocalyptic number.

It is an amenable number.

4533140 is an abundant number, since it is smaller than the sum of its proper divisors (4986496).

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

4533140 is a wasteful number, since it uses less digits than its factorization.

4533140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226666 (or 226664 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 4533140 is about 2129.1171879443. The cubic root of 4533140 is about 165.5006526019.

Adding to 4533140 its reverse (413354), we get a palindrome (4946494).

The spelling of 4533140 in words is "four million, five hundred thirty-three thousand, one hundred forty".