232505424 has 80 divisors (see below), whose sum is σ = 683706240. Its totient is φ = 75605760.

The previous prime is 232505423. The next prime is 232505437. The reversal of 232505424 is 424505232.

It is a happy number.

232505424 is a `hidden beast` number, since 232 + 5 + 0 + 5 + 424 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232505423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11149 + ... + 24275.

It is an arithmetic number, because the mean of its divisors is an integer number (8546328).

Almost surely, 2^232505424 is an apocalyptic number.

232505424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232505424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341853120).

232505424 is an abundant number, since it is smaller than the sum of its proper divisors (451200816).

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

232505424 is a wasteful number, since it uses less digits than its factorization.

232505424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13185 (or 13173 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 232505424 is about 15248.1285409063. The cubic root of 232505424 is about 614.9092549036.

The spelling of 232505424 in words is "two hundred thirty-two million, five hundred five thousand, four hundred twenty-four".