502081 has 2 divisors, whose sum is σ = 502082. Its totient is φ = 502080.

The previous prime is 502079. The next prime is 502087. The reversal of 502081 is 180205.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 467856 + 34225 = 684^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 502081 - 2¹ = 502079 is a prime.

It is a super-2 number, since 2×502081² = 504170661122, which contains 22 as substring.

Together with 502079, it forms a pair of twin primes.

502081 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (502087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251040 + 251041.

It is an arithmetic number, because the mean of its divisors is an integer number (251041).

2⁵⁰²⁰⁸¹ is an apocalyptic number.

It is an amenable number.

502081 is a deficient number, since it is larger than the sum of its proper divisors (1).

502081 is an equidigital number, since it uses as much as digits as its factorization.

502081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 502081 is about 708.5767424916. The cubic root of 502081 is about 79.4800129072.

Adding to 502081 its reverse (180205), we get a palindrome (682286).

The spelling of 502081 in words is "five hundred two thousand, eighty-one".