501043 has 2 divisors, whose sum is σ = 501044. Its totient is φ = 501042.

The previous prime is 501037. The next prime is 501077. The reversal of 501043 is 340105.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501043 is a prime.

It is not a weakly prime, because it can be changed into another prime (501013) 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, 250521 + 250522.

It is an arithmetic number, because the mean of its divisors is an integer number (250522).

2⁵⁰¹⁰⁴³ is an apocalyptic number.

501043 is a deficient number, since it is larger than the sum of its proper divisors (1).

501043 is an equidigital number, since it uses as much as digits as its factorization.

501043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 501043 is about 707.8439093473. The cubic root of 501043 is about 79.4252029116.

Adding to 501043 its reverse (340105), we get a palindrome (841148).

The spelling of 501043 in words is "five hundred one thousand, forty-three".