225514553213 has 2 divisors, whose sum is σ = 225514553214. Its totient is φ = 225514553212.

The previous prime is 225514553111. The next prime is 225514553249. The reversal of 225514553213 is 312355415522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225485371609 + 29181604 = 474853^2 + 5402^2 .

It is a cyclic number.

It is not a de Polignac number, because 225514553213 - 2¹⁴ = 225514536829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225514556213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112757276606 + 112757276607.

It is an arithmetic number, because the mean of its divisors is an integer number (112757276607).

Almost surely, 2^225514553213 is an apocalyptic number.

It is an amenable number.

225514553213 is a deficient number, since it is larger than the sum of its proper divisors (1).

225514553213 is an equidigital number, since it uses as much as digits as its factorization.

225514553213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180000, while the sum is 38.

Adding to 225514553213 its reverse (312355415522), we get a palindrome (537869968735).

The spelling of 225514553213 in words is "two hundred twenty-five billion, five hundred fourteen million, five hundred fifty-three thousand, two hundred thirteen".