225354131213 has 4 divisors (see below), whose sum is σ = 225364030620. Its totient is φ = 225344231808.

The previous prime is 225354131201. The next prime is 225354131227. The reversal of 225354131213 is 312131453522.

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 149245460329 + 76108670884 = 386323^2 + 275878^2 .

It is a cyclic number.

It is not a de Polignac number, because 225354131213 - 2¹⁴ = 225354114829 is a prime.

It is a super-3 number, since 3×225354131213³ (a number of 35 digits) contains 333 as substring.

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 225354131213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225354131113) 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, 4915478 + ... + 4961111.

It is an arithmetic number, because the mean of its divisors is an integer number (56341007655).

Almost surely, 2^225354131213 is an apocalyptic number.

It is an amenable number.

225354131213 is a deficient number, since it is larger than the sum of its proper divisors (9899407).

225354131213 is an equidigital number, since it uses as much as digits as its factorization.

225354131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9899406.

The product of its digits is 21600, while the sum is 32.

Adding to 225354131213 its reverse (312131453522), we get a palindrome (537485584735).

The spelling of 225354131213 in words is "two hundred twenty-five billion, three hundred fifty-four million, one hundred thirty-one thousand, two hundred thirteen".