225245196765241 has 3 divisors (see below), whose sum is σ = 225245211773413. Its totient is φ = 225245181757070.

The previous prime is 225245196765223. The next prime is 225245196765289. The reversal of 225245196765241 is 142567691542522.

The square root of 225245196765241 is 15008171.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 225245196765241 - 2¹¹ = 225245196763193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225245196765241.

It is not an unprimeable number, because it can be changed into a prime (225245196715241) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7504086 + ... + 22512256.

Almost surely, 2^{225245196765241} is an apocalyptic number.

225245196765241 is the 15008171-st square number.

225245196765241 is the 7504086-th centered octagonal number.

It is an amenable number.

225245196765241 is a deficient number, since it is larger than the sum of its proper divisors (15008172).

225245196765241 is an frugal number, since it uses more digits than its factorization.

225245196765241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30016342 (or 15008171 counting only the distinct ones).

The product of its digits is 72576000, while the sum is 61.

The spelling of 225245196765241 in words is "two hundred twenty-five trillion, two hundred forty-five billion, one hundred ninety-six million, seven hundred sixty-five thousand, two hundred forty-one".