203245535225 has 12 divisors (see below), whose sum is σ = 252088438224. Its totient is φ = 162555154320.

The previous prime is 203245535221. The next prime is 203245535243. The reversal of 203245535225 is 522535542302.

It is not a de Polignac number, because 203245535225 - 2² = 203245535221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203245535221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 931199 + ... + 1128548.

It is an arithmetic number, because the mean of its divisors is an integer number (21007369852).

Almost surely, 2^203245535225 is an apocalyptic number.

203245535225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

203245535225 is a deficient number, since it is larger than the sum of its proper divisors (48842902999).

203245535225 is a wasteful number, since it uses less digits than its factorization.

203245535225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063704 (or 2063699 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 38.

The spelling of 203245535225 in words is "two hundred three billion, two hundred forty-five million, five hundred thirty-five thousand, two hundred twenty-five".