4523530 has 64 divisors (see below), whose sum is σ = 9797760. Its totient is φ = 1484800.

The previous prime is 4523521. The next prime is 4523531. The reversal of 4523530 is 353254.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (4523531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76641 + ... + 76699.

It is an arithmetic number, because the mean of its divisors is an integer number (153090).

Almost surely, 2^4523530 is an apocalyptic number.

4523530 is an abundant number, since it is smaller than the sum of its proper divisors (5274230).

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

4523530 is a wasteful number, since it uses less digits than its factorization.

4523530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 4523530 is about 2126.8591866882. The cubic root of 4523530 is about 165.3836191922.

Adding to 4523530 its reverse (353254), we get a palindrome (4876784).

The spelling of 4523530 in words is "four million, five hundred twenty-three thousand, five hundred thirty".