731133493 has 2 divisors, whose sum is σ = 731133494. Its totient is φ = 731133492.

The previous prime is 731133451. The next prime is 731133497. The reversal of 731133493 is 394331137.

731133493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 389549169 + 341584324 = 19737^2 + 18482^2 .

It is a cyclic number.

It is not a de Polignac number, because 731133493 - 2²⁹ = 194262581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (731133497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365566746 + 365566747.

It is an arithmetic number, because the mean of its divisors is an integer number (365566747).

Almost surely, 2^731133493 is an apocalyptic number.

It is an amenable number.

731133493 is a deficient number, since it is larger than the sum of its proper divisors (1).

731133493 is an equidigital number, since it uses as much as digits as its factorization.

731133493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 34.

The square root of 731133493 is about 27039.4802649755. The cubic root of 731133493 is about 900.8771255483.

It can be divided in two parts, 7311 and 33493, that added together give a palindrome (40804).

The spelling of 731133493 in words is "seven hundred thirty-one million, one hundred thirty-three thousand, four hundred ninety-three".