533329961 has 2 divisors, whose sum is σ = 533329962. Its totient is φ = 533329960.

The previous prime is 533329939. The next prime is 533329987. The reversal of 533329961 is 169923335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 451987600 + 81342361 = 21260^2 + 9019^2 .

It is a cyclic number.

It is not a de Polignac number, because 533329961 - 2²² = 529135657 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (533329931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266664980 + 266664981.

It is an arithmetic number, because the mean of its divisors is an integer number (266664981).

Almost surely, 2^533329961 is an apocalyptic number.

It is an amenable number.

533329961 is a deficient number, since it is larger than the sum of its proper divisors (1).

533329961 is an equidigital number, since it uses as much as digits as its factorization.

533329961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131220, while the sum is 41.

The square root of 533329961 is about 23093.9377543112. The cubic root of 533329961 is about 810.9585568051.

The spelling of 533329961 in words is "five hundred thirty-three million, three hundred twenty-nine thousand, nine hundred sixty-one".