225624272513 has 4 divisors (see below), whose sum is σ = 225625226688. Its totient is φ = 225623318340.

The previous prime is 225624272491. The next prime is 225624272569. The reversal of 225624272513 is 315272426522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 315272426522 = 2 ⋅157636213261.

It is a cyclic number.

It is not a de Polignac number, because 225624272513 - 2¹⁸ = 225624010369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225624272113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171668 + ... + 693338.

It is an arithmetic number, because the mean of its divisors is an integer number (56406306672).

Almost surely, 2^225624272513 is an apocalyptic number.

It is an amenable number.

225624272513 is a deficient number, since it is larger than the sum of its proper divisors (954175).

225624272513 is an equidigital number, since it uses as much as digits as its factorization.

225624272513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954174.

The product of its digits is 403200, while the sum is 41.

The spelling of 225624272513 in words is "two hundred twenty-five billion, six hundred twenty-four million, two hundred seventy-two thousand, five hundred thirteen".