533116261 has 2 divisors, whose sum is σ = 533116262. Its totient is φ = 533116260.

The previous prime is 533116223. The next prime is 533116303. The reversal of 533116261 is 162611335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 356492161 + 176624100 = 18881^2 + 13290^2 .

It is a cyclic number.

It is not a de Polignac number, because 533116261 - 2⁹ = 533115749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (533146261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266558130 + 266558131.

It is an arithmetic number, because the mean of its divisors is an integer number (266558131).

Almost surely, 2^533116261 is an apocalyptic number.

It is an amenable number.

533116261 is a deficient number, since it is larger than the sum of its proper divisors (1).

533116261 is an equidigital number, since it uses as much as digits as its factorization.

533116261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 28.

The square root of 533116261 is about 23089.3105353971. The cubic root of 533116261 is about 810.8502279980.

Adding to 533116261 its reverse (162611335), we get a palindrome (695727596).

The spelling of 533116261 in words is "five hundred thirty-three million, one hundred sixteen thousand, two hundred sixty-one".