533242993 has 2 divisors, whose sum is σ = 533242994. Its totient is φ = 533242992.

The previous prime is 533242991. The next prime is 533243021. The reversal of 533242993 is 399242335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 347002384 + 186240609 = 18628^2 + 13647^2 .

It is a cyclic number.

It is not a de Polignac number, because 533242993 - 2¹ = 533242991 is a prime.

Together with 533242991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (533242991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266621496 + 266621497.

It is an arithmetic number, because the mean of its divisors is an integer number (266621497).

Almost surely, 2^533242993 is an apocalyptic number.

It is an amenable number.

533242993 is a deficient number, since it is larger than the sum of its proper divisors (1).

533242993 is an equidigital number, since it uses as much as digits as its factorization.

533242993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 40.

The square root of 533242993 is about 23092.0547591590. The cubic root of 533242993 is about 810.9144744779.

The spelling of 533242993 in words is "five hundred thirty-three million, two hundred forty-two thousand, nine hundred ninety-three".