508920043 has 4 divisors (see below), whose sum is σ = 526469040. Its totient is φ = 491371048.

The previous prime is 508920037. The next prime is 508920047. The reversal of 508920043 is 340029805.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-508920043 is a prime.

It is a super-2 number, since 2×508920043² = 517999220334243698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 508919987 and 508920014.

It is not an unprimeable number, because it can be changed into a prime (508920047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8774455 + ... + 8774512.

It is an arithmetic number, because the mean of its divisors is an integer number (131617260).

Almost surely, 2^508920043 is an apocalyptic number.

508920043 is a deficient number, since it is larger than the sum of its proper divisors (17548997).

508920043 is a wasteful number, since it uses less digits than its factorization.

508920043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17548996.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 508920043 is about 22559.2562599036. The cubic root of 508920043 is about 798.3926283375.

Adding to 508920043 its reverse (340029805), we get a palindrome (848949848).

The spelling of 508920043 in words is "five hundred eight million, nine hundred twenty thousand, forty-three".