551442113 has 2 divisors, whose sum is σ = 551442114. Its totient is φ = 551442112.

The previous prime is 551442103. The next prime is 551442119. The reversal of 551442113 is 311244155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337346689 + 214095424 = 18367^2 + 14632^2 .

It is a cyclic number.

It is not a de Polignac number, because 551442113 - 2⁶ = 551442049 is a prime.

It is not a weakly prime, because it can be changed into another prime (551442119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275721056 + 275721057.

It is an arithmetic number, because the mean of its divisors is an integer number (275721057).

Almost surely, 2^551442113 is an apocalyptic number.

It is an amenable number.

551442113 is a deficient number, since it is larger than the sum of its proper divisors (1).

551442113 is an equidigital number, since it uses as much as digits as its factorization.

551442113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 26.

The square root of 551442113 is about 23482.8046238093. The cubic root of 551442113 is about 820.0367388854.

Adding to 551442113 its reverse (311244155), we get a palindrome (862686268).

The spelling of 551442113 in words is "five hundred fifty-one million, four hundred forty-two thousand, one hundred thirteen".