502993 has 4 divisors (see below), whose sum is σ = 509440. Its totient is φ = 496548.

The previous prime is 502973. The next prime is 503003. The reversal of 502993 is 399205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 399205 = 5 ⋅79841.

It is a cyclic number.

It is not a de Polignac number, because 502993 - 2⁵ = 502961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (502973) 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 in 3 ways as a sum of consecutive naturals, for example, 3105 + ... + 3262.

It is an arithmetic number, because the mean of its divisors is an integer number (127360).

2⁵⁰²⁹⁹³ is an apocalyptic number.

It is an amenable number.

502993 is a deficient number, since it is larger than the sum of its proper divisors (6447).

502993 is an equidigital number, since it uses as much as digits as its factorization.

502993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6446.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 502993 is about 709.2199940780. The cubic root of 502993 is about 79.5281073564.

The spelling of 502993 in words is "five hundred two thousand, nine hundred ninety-three".