5211505133 has 2 divisors, whose sum is σ = 5211505134. Its totient is φ = 5211505132.

The previous prime is 5211505127. The next prime is 5211505141. The reversal of 5211505133 is 3315051125.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5209663684 + 1841449 = 72178^2 + 1357^2 .

It is a cyclic number.

It is not a de Polignac number, because 5211505133 - 2⁶ = 5211505069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5211505433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605752566 + 2605752567.

It is an arithmetic number, because the mean of its divisors is an integer number (2605752567).

Almost surely, 2^5211505133 is an apocalyptic number.

It is an amenable number.

5211505133 is a deficient number, since it is larger than the sum of its proper divisors (1).

5211505133 is an equidigital number, since it uses as much as digits as its factorization.

5211505133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 5211505133 is about 72190.7551768230. The cubic root of 5211505133 is about 1733.7549869617.

Adding to 5211505133 its reverse (3315051125), we get a palindrome (8526556258).

The spelling of 5211505133 in words is "five billion, two hundred eleven million, five hundred five thousand, one hundred thirty-three".