232520530 has 16 divisors (see below), whose sum is σ = 456585984. Its totient is φ = 84552880.

The previous prime is 232520513. The next prime is 232520531. The reversal of 232520530 is 35025232.

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 (232520531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056802 + ... + 1057021.

It is an arithmetic number, because the mean of its divisors is an integer number (28536624).

Almost surely, 2^232520530 is an apocalyptic number.

232520530 is a deficient number, since it is larger than the sum of its proper divisors (224065454).

232520530 is a wasteful number, since it uses less digits than its factorization.

232520530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113841.

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

The square root of 232520530 is about 15248.6238723368. The cubic root of 232520530 is about 614.9225716081.

Adding to 232520530 its reverse (35025232), we get a palindrome (267545762).

The spelling of 232520530 in words is "two hundred thirty-two million, five hundred twenty thousand, five hundred thirty".