502012081 has 2 divisors, whose sum is σ = 502012082. Its totient is φ = 502012080.

The previous prime is 502012079. The next prime is 502012097. The reversal of 502012081 is 180210205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322023025 + 179989056 = 17945^2 + 13416^2 .

It is a cyclic number.

It is not a de Polignac number, because 502012081 - 2¹ = 502012079 is a prime.

It is a super-2 number, since 2×502012081² = 504032258939901122, which contains 22 as substring.

Together with 502012079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (502013081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251006040 + 251006041.

It is an arithmetic number, because the mean of its divisors is an integer number (251006041).

Almost surely, 2^502012081 is an apocalyptic number.

It is an amenable number.

502012081 is a deficient number, since it is larger than the sum of its proper divisors (1).

502012081 is an equidigital number, since it uses as much as digits as its factorization.

502012081 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 502012081 is about 22405.6261014951. The cubic root of 502012081 is about 794.7637608791.

Adding to 502012081 its reverse (180210205), we get a palindrome (682222286).

The spelling of 502012081 in words is "five hundred two million, twelve thousand, eighty-one".