551136133 has 2 divisors, whose sum is σ = 551136134. Its totient is φ = 551136132.

The previous prime is 551136109. The next prime is 551136137. The reversal of 551136133 is 331631155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 394936129 + 156200004 = 19873^2 + 12498^2 .

It is a cyclic number.

It is not a de Polignac number, because 551136133 - 2⁹ = 551135621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551136137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275568066 + 275568067.

It is an arithmetic number, because the mean of its divisors is an integer number (275568067).

Almost surely, 2^551136133 is an apocalyptic number.

It is an amenable number.

551136133 is a deficient number, since it is larger than the sum of its proper divisors (1).

551136133 is an equidigital number, since it uses as much as digits as its factorization.

551136133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4050, while the sum is 28.

The square root of 551136133 is about 23476.2887399180. The cubic root of 551136133 is about 819.8850389104.

Adding to 551136133 its reverse (331631155), we get a palindrome (882767288).

The spelling of 551136133 in words is "five hundred fifty-one million, one hundred thirty-six thousand, one hundred thirty-three".