5451242113 has 2 divisors, whose sum is σ = 5451242114. Its totient is φ = 5451242112.

The previous prime is 5451242081. The next prime is 5451242119. The reversal of 5451242113 is 3112421545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5318347329 + 132894784 = 72927^2 + 11528^2 .

It is a cyclic number.

It is not a de Polignac number, because 5451242113 - 2⁵ = 5451242081 is a prime.

It is not a weakly prime, because it can be changed into another prime (5451242119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2725621056 + 2725621057.

It is an arithmetic number, because the mean of its divisors is an integer number (2725621057).

Almost surely, 2^5451242113 is an apocalyptic number.

It is an amenable number.

5451242113 is a deficient number, since it is larger than the sum of its proper divisors (1).

5451242113 is an equidigital number, since it uses as much as digits as its factorization.

5451242113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 28.

The square root of 5451242113 is about 73832.5274726526. The cubic root of 5451242113 is about 1759.9425464415.

Adding to 5451242113 its reverse (3112421545), we get a palindrome (8563663658).

The spelling of 5451242113 in words is "five billion, four hundred fifty-one million, two hundred forty-two thousand, one hundred thirteen".