245235305225 has 48 divisors (see below), whose sum is σ = 319669718400. Its totient is φ = 186267755520.

The previous prime is 245235305191. The next prime is 245235305257. The reversal of 245235305225 is 522503532542.

It is not a de Polignac number, because 245235305225 - 2¹⁰ = 245235304201 is a prime.

It is a Curzon 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 47 ways as a sum of consecutive naturals, for example, 115186961 + ... + 115189089.

It is an arithmetic number, because the mean of its divisors is an integer number (6659785800).

Almost surely, 2^245235305225 is an apocalyptic number.

245235305225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245235305225 is a deficient number, since it is larger than the sum of its proper divisors (74434413175).

245235305225 is a wasteful number, since it uses less digits than its factorization.

245235305225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554 (or 3549 counting only the distinct ones).

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

Adding to 245235305225 its reverse (522503532542), we get a palindrome (767738837767).

The spelling of 245235305225 in words is "two hundred forty-five billion, two hundred thirty-five million, three hundred five thousand, two hundred twenty-five".