501489039 has 4 divisors (see below), whose sum is σ = 668652056. Its totient is φ = 334326024.

The previous prime is 501489029. The next prime is 501489067. The reversal of 501489039 is 930984105.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 501489039 - 2⁸ = 501488783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 501488988 and 501489006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501489019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83581504 + ... + 83581509.

It is an arithmetic number, because the mean of its divisors is an integer number (167163014).

Almost surely, 2^501489039 is an apocalyptic number.

501489039 is a deficient number, since it is larger than the sum of its proper divisors (167163017).

501489039 is a wasteful number, since it uses less digits than its factorization.

501489039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167163016.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 501489039 is about 22393.9509466284. The cubic root of 501489039 is about 794.4876458240.

The spelling of 501489039 in words is "five hundred one million, four hundred eighty-nine thousand, thirty-nine".