7815000530 has 16 divisors (see below), whose sum is σ = 14265129024. Its totient is φ = 3081971760.

The previous prime is 7815000527. The next prime is 7815000581. The reversal of 7815000530 is 350005187.

It is a super-2 number, since 2×7815000530² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7815000493 and 7815000502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5502812 + ... + 5504231.

It is an arithmetic number, because the mean of its divisors is an integer number (891570564).

Almost surely, 2^7815000530 is an apocalyptic number.

7815000530 is a deficient number, since it is larger than the sum of its proper divisors (6450128494).

7815000530 is a wasteful number, since it uses less digits than its factorization.

7815000530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11007121.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 7815000530 is about 88402.4916504054. The cubic root of 7815000530 is about 1984.4629907225.

The spelling of 7815000530 in words is "seven billion, eight hundred fifteen million, five hundred thirty", and thus it is an aban number.