502501 has 2 divisors, whose sum is σ = 502502. Its totient is φ = 502500.

The previous prime is 502499. The next prime is 502507. The reversal of 502501 is 105205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 497025 + 5476 = 705^2 + 74^2 .

It is a cyclic number.

It is not a de Polignac number, because 502501 - 2¹ = 502499 is a prime.

Together with 502499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251250 + 251251.

It is an arithmetic number, because the mean of its divisors is an integer number (251251).

2⁵⁰²⁵⁰¹ is an apocalyptic number.

It is an amenable number.

502501 is a deficient number, since it is larger than the sum of its proper divisors (1).

502501 is an equidigital number, since it uses as much as digits as its factorization.

502501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 502501 is about 708.8730492832. The cubic root of 502501 is about 79.5021688951.

Adding to 502501 its reverse (105205), we get a palindrome (607706).

The spelling of 502501 in words is "five hundred two thousand, five hundred one".