731041 has 2 divisors, whose sum is σ = 731042. Its totient is φ = 731040.

The previous prime is 731033. The next prime is 731047. The reversal of 731041 is 140137.

731041 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., 731025 + 16 = 855^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 731041 - 2³ = 731033 is a prime.

It is not a weakly prime, because it can be changed into another prime (731047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365520 + 365521.

It is an arithmetic number, because the mean of its divisors is an integer number (365521).

2⁷³¹⁰⁴¹ is an apocalyptic number.

It is an amenable number.

731041 is a deficient number, since it is larger than the sum of its proper divisors (1).

731041 is an equidigital number, since it uses as much as digits as its factorization.

731041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 731041 is about 855.0093566739. The cubic root of 731041 is about 90.0839135066.

Subtracting from 731041 its sum of digits (16), we obtain a square (731025 = 855²).

Adding to 731041 its reverse (140137), we get a palindrome (871178).

The spelling of 731041 in words is "seven hundred thirty-one thousand, forty-one".