501006493 has 8 divisors (see below), whose sum is σ = 563004288. Its totient is φ = 442359984.

The previous prime is 501006449. The next prime is 501006521. The reversal of 501006493 is 394600105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 501006493 - 2¹³ = 500998301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501066493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837505 + ... + 838102.

It is an arithmetic number, because the mean of its divisors is an integer number (70375536).

Almost surely, 2^501006493 is an apocalyptic number.

It is an amenable number.

501006493 is a deficient number, since it is larger than the sum of its proper divisors (61997795).

501006493 is a wasteful number, since it uses less digits than its factorization.

501006493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675643.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 501006493 is about 22383.1743280528. The cubic root of 501006493 is about 794.2327383807.

Adding to 501006493 its reverse (394600105), we get a palindrome (895606598).

The spelling of 501006493 in words is "five hundred one million, six thousand, four hundred ninety-three".