810530039 has 8 divisors (see below), whose sum is σ = 885092880. Its totient is φ = 736113600.

The previous prime is 810530011. The next prime is 810530057. The reversal of 810530039 is 930035018.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-810530039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 810529993 and 810530020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810530069) 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, 24854 + ... + 47315.

It is an arithmetic number, because the mean of its divisors is an integer number (110636610).

Almost surely, 2^810530039 is an apocalyptic number.

810530039 is a deficient number, since it is larger than the sum of its proper divisors (74562841).

810530039 is a wasteful number, since it uses less digits than its factorization.

810530039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73201.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 810530039 is about 28469.8092547175. The cubic root of 810530039 is about 932.3730351568.

The spelling of 810530039 in words is "eight hundred ten million, five hundred thirty thousand, thirty-nine".