4531530 has 16 divisors (see below), whose sum is σ = 10875744. Its totient is φ = 1208400.

The previous prime is 4531517. The next prime is 4531543. The reversal of 4531530 is 351354.

4531530 = 950² + 951² + ... + 954².

It is an interprime number because it is at equal distance from previous prime (4531517) and next prime (4531543).

It is a junction number, because it is equal to n+sod(n) for n = 4531497 and 4531506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75496 + ... + 75555.

It is an arithmetic number, because the mean of its divisors is an integer number (679734).

Almost surely, 2^4531530 is an apocalyptic number.

4531530 is an abundant number, since it is smaller than the sum of its proper divisors (6344214).

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

4531530 is a wasteful number, since it uses less digits than its factorization.

4531530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151061.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 4531530 is about 2128.7390633894. The cubic root of 4531530 is about 165.4810570896.

Adding to 4531530 its reverse (351354), we get a palindrome (4882884).

The spelling of 4531530 in words is "four million, five hundred thirty-one thousand, five hundred thirty".