726565033 has 2 divisors, whose sum is σ = 726565034. Its totient is φ = 726565032.

The previous prime is 726565031. The next prime is 726565051. The reversal of 726565033 is 330565627.

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., 425473129 + 301091904 = 20627^2 + 17352^2 .

It is a cyclic number.

It is not a de Polignac number, because 726565033 - 2¹ = 726565031 is a prime.

Together with 726565031, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 726564983 and 726565001.

It is not a weakly prime, because it can be changed into another prime (726565031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363282516 + 363282517.

It is an arithmetic number, because the mean of its divisors is an integer number (363282517).

Almost surely, 2^726565033 is an apocalyptic number.

It is an amenable number.

726565033 is a deficient number, since it is larger than the sum of its proper divisors (1).

726565033 is an equidigital number, since it uses as much as digits as its factorization.

726565033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 37.

The square root of 726565033 is about 26954.8703020437. The cubic root of 726565033 is about 898.9968382342.

The spelling of 726565033 in words is "seven hundred twenty-six million, five hundred sixty-five thousand, thirty-three".