501841 has 2 divisors, whose sum is σ = 501842. Its totient is φ = 501840.

The previous prime is 501829. The next prime is 501863. The reversal of 501841 is 148105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271441 + 230400 = 521^2 + 480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501841 is a prime.

It is not a weakly prime, because it can be changed into another prime (501821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250920 + 250921.

It is an arithmetic number, because the mean of its divisors is an integer number (250921).

2⁵⁰¹⁸⁴¹ is an apocalyptic number.

It is an amenable number.

501841 is a deficient number, since it is larger than the sum of its proper divisors (1).

501841 is an equidigital number, since it uses as much as digits as its factorization.

501841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 501841 is about 708.4073686799. The cubic root of 501841 is about 79.4673467947.

Adding to 501841 its reverse (148105), we get a palindrome (649946).

It can be divided in two parts, 50 and 1841, that added together give a triangular number (1891 = T₆₁).

The spelling of 501841 in words is "five hundred one thousand, eight hundred forty-one".