232520225 has 48 divisors (see below), whose sum is σ = 352477440. Its totient is φ = 148684800.

The previous prime is 232520209. The next prime is 232520261. The reversal of 232520225 is 522025232.

It is a happy number.

It is not a de Polignac number, because 232520225 - 2⁴ = 232520209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 232520225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 164321 + ... + 165729.

It is an arithmetic number, because the mean of its divisors is an integer number (7343280).

Almost surely, 2^232520225 is an apocalyptic number.

232520225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

232520225 is a deficient number, since it is larger than the sum of its proper divisors (119957215).

232520225 is a wasteful number, since it uses less digits than its factorization.

232520225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490 (or 1485 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 232520225 is about 15248.6138714311. The cubic root of 232520225 is about 614.9223027408.

Adding to 232520225 its reverse (522025232), we get a palindrome (754545457).

The spelling of 232520225 in words is "two hundred thirty-two million, five hundred twenty thousand, two hundred twenty-five".