225354444451 has 2 divisors, whose sum is σ = 225354444452. Its totient is φ = 225354444450.

The previous prime is 225354444433. The next prime is 225354444461. The reversal of 225354444451 is 154444453522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225354444451 - 2¹³ = 225354436259 is a prime.

It is a super-3 number, since 3×225354444451³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225354444398 and 225354444407.

It is not a weakly prime, because it can be changed into another prime (225354444461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112677222225 + 112677222226.

It is an arithmetic number, because the mean of its divisors is an integer number (112677222226).

Almost surely, 2^225354444451 is an apocalyptic number.

225354444451 is a deficient number, since it is larger than the sum of its proper divisors (1).

225354444451 is an equidigital number, since it uses as much as digits as its factorization.

225354444451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536000, while the sum is 43.

Adding to 225354444451 its reverse (154444453522), we get a palindrome (379798897973).

The spelling of 225354444451 in words is "two hundred twenty-five billion, three hundred fifty-four million, four hundred forty-four thousand, four hundred fifty-one".