731033 has 2 divisors, whose sum is σ = 731034. Its totient is φ = 731032.

The previous prime is 730999. The next prime is 731041. The reversal of 731033 is 330137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 692224 + 38809 = 832^2 + 197^2 .

It is a cyclic number.

It is not a de Polignac number, because 731033 - 2⁶ = 730969 is a prime.

It is not a weakly prime, because it can be changed into another prime (731053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365516 + 365517.

It is an arithmetic number, because the mean of its divisors is an integer number (365517).

2⁷³¹⁰³³ is an apocalyptic number.

It is an amenable number.

731033 is a deficient number, since it is larger than the sum of its proper divisors (1).

731033 is an equidigital number, since it uses as much as digits as its factorization.

731033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189, while the sum is 17.

The square root of 731033 is about 855.0046783498. The cubic root of 731033 is about 90.0835849003.

The spelling of 731033 in words is "seven hundred thirty-one thousand, thirty-three".