243352225451 has 2 divisors, whose sum is σ = 243352225452. Its totient is φ = 243352225450.

The previous prime is 243352225439. The next prime is 243352225577. The reversal of 243352225451 is 154522253342.

243352225451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243352225451 - 2⁶ = 243352225387 is a prime.

It is not a weakly prime, because it can be changed into another prime (243352255451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121676112725 + 121676112726.

It is an arithmetic number, because the mean of its divisors is an integer number (121676112726).

Almost surely, 2^243352225451 is an apocalyptic number.

243352225451 is a deficient number, since it is larger than the sum of its proper divisors (1).

243352225451 is an equidigital number, since it uses as much as digits as its factorization.

243352225451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288000, while the sum is 38.

Adding to 243352225451 its reverse (154522253342), we get a palindrome (397874478793).

The spelling of 243352225451 in words is "two hundred forty-three billion, three hundred fifty-two million, two hundred twenty-five thousand, four hundred fifty-one".