225204543301 has 4 divisors (see below), whose sum is σ = 225240200172. Its totient is φ = 225168886432.

The previous prime is 225204543293. The next prime is 225204543307. The reversal of 225204543301 is 103345402522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40606280100 + 184598263201 = 201510^2 + 429649^2 .

It is a cyclic number.

It is not a de Polignac number, because 225204543301 - 2³ = 225204543293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225204543307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17818960 + ... + 17831593.

It is an arithmetic number, because the mean of its divisors is an integer number (56310050043).

Almost surely, 2^225204543301 is an apocalyptic number.

It is an amenable number.

225204543301 is a deficient number, since it is larger than the sum of its proper divisors (35656871).

225204543301 is an equidigital number, since it uses as much as digits as its factorization.

225204543301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35656870.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 225204543301 its reverse (103345402522), we get a palindrome (328549945823).

The spelling of 225204543301 in words is "two hundred twenty-five billion, two hundred four million, five hundred forty-three thousand, three hundred one".