245131332225 has 96 divisors (see below), whose sum is σ = 446537919744. Its totient is φ = 117923635200.

The previous prime is 245131332223. The next prime is 245131332247. The reversal of 245131332225 is 522233131542.

It is not a de Polignac number, because 245131332225 - 2¹ = 245131332223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245131332223) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7806757 + ... + 7838093.

It is an arithmetic number, because the mean of its divisors is an integer number (4651436664).

Almost surely, 2^245131332225 is an apocalyptic number.

245131332225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245131332225 is a deficient number, since it is larger than the sum of its proper divisors (201406587519).

245131332225 is a wasteful number, since it uses less digits than its factorization.

245131332225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31547 (or 31542 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

Adding to 245131332225 its reverse (522233131542), we get a palindrome (767364463767).

The spelling of 245131332225 in words is "two hundred forty-five billion, one hundred thirty-one million, three hundred thirty-two thousand, two hundred twenty-five".