233520500225 has 12 divisors (see below), whose sum is σ = 289787690496. Its totient is φ = 186673000080.

The previous prime is 233520500209. The next prime is 233520500327. The reversal of 233520500225 is 522005025332.

It is a happy number.

It is not a de Polignac number, because 233520500225 - 2⁴ = 233520500209 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 3551777 + ... + 3616926.

It is an arithmetic number, because the mean of its divisors is an integer number (24148974208).

Almost surely, 2^233520500225 is an apocalyptic number.

233520500225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

233520500225 is a deficient number, since it is larger than the sum of its proper divisors (56267190271).

233520500225 is a wasteful number, since it uses less digits than its factorization.

233520500225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7170016 (or 7170011 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

Adding to 233520500225 its reverse (522005025332), we get a palindrome (755525525557).

The spelling of 233520500225 in words is "two hundred thirty-three billion, five hundred twenty million, five hundred thousand, two hundred twenty-five".