210530232 has 64 divisors (see below), whose sum is σ = 637977600. Its totient is φ = 63796320.

The previous prime is 210530219. The next prime is 210530237. The reversal of 210530232 is 232035012.

It is a super-3 number, since 3×210530232³ (a number of 26 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210530237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41928 + ... + 46679.

It is an arithmetic number, because the mean of its divisors is an integer number (9968400).

Almost surely, 2^210530232 is an apocalyptic number.

210530232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210530232 is an abundant number, since it is smaller than the sum of its proper divisors (427447368).

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

210530232 is a wasteful number, since it uses less digits than its factorization.

210530232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88633 (or 88623 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 210530232 is about 14509.6599546647. The cubic root of 210530232 is about 594.8920379405.

Adding to 210530232 its reverse (232035012), we get a palindrome (442565244).

The spelling of 210530232 in words is "two hundred ten million, five hundred thirty thousand, two hundred thirty-two".