815230005 has 16 divisors (see below), whose sum is σ = 1304904384. Its totient is φ = 434610560.

The previous prime is 815229997. The next prime is 815230007. The reversal of 815230005 is 500032518.

815230005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 815230005 - 2³ = 815229997 is a prime.

It is a super-2 number, since 2×815230005² = 1329199922104600050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (815230007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31870 + ... + 51440.

It is an arithmetic number, because the mean of its divisors is an integer number (81556524).

Almost surely, 2^815230005 is an apocalyptic number.

It is an amenable number.

815230005 is a deficient number, since it is larger than the sum of its proper divisors (489674379).

815230005 is a wasteful number, since it uses less digits than its factorization.

815230005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22356.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 815230005 is about 28552.2329249395. The cubic root of 815230005 is about 934.1717259026.

The spelling of 815230005 in words is "eight hundred fifteen million, two hundred thirty thousand, five".