551330113 has 2 divisors, whose sum is σ = 551330114. Its totient is φ = 551330112.

The previous prime is 551330093. The next prime is 551330147. The reversal of 551330113 is 311033155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417303184 + 134026929 = 20428^2 + 11577^2 .

It is a cyclic number.

It is not a de Polignac number, because 551330113 - 2¹³ = 551321921 is a prime.

It is not a weakly prime, because it can be changed into another prime (551330173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275665056 + 275665057.

It is an arithmetic number, because the mean of its divisors is an integer number (275665057).

Almost surely, 2^551330113 is an apocalyptic number.

It is an amenable number.

551330113 is a deficient number, since it is larger than the sum of its proper divisors (1).

551330113 is an equidigital number, since it uses as much as digits as its factorization.

551330113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 551330113 is about 23480.4197790414. The cubic root of 551330113 is about 819.9812175948.

Adding to 551330113 its reverse (311033155), we get a palindrome (862363268).

The spelling of 551330113 in words is "five hundred fifty-one million, three hundred thirty thousand, one hundred thirteen".