225245103521 has 8 divisors (see below), whose sum is σ = 229070335200. Its totient is φ = 221420122560.

The previous prime is 225245103497. The next prime is 225245103547. The reversal of 225245103521 is 125301542522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225245103521 - 2¹⁰ = 225245102497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225245108521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3048665 + ... + 3121673.

It is an arithmetic number, because the mean of its divisors is an integer number (28633791900).

Almost surely, 2^225245103521 is an apocalyptic number.

It is an amenable number.

225245103521 is a deficient number, since it is larger than the sum of its proper divisors (3825231679).

225245103521 is an equidigital number, since it uses as much as digits as its factorization.

225245103521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125359.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 225245103521 in words is "two hundred twenty-five billion, two hundred forty-five million, one hundred three thousand, five hundred twenty-one".