1530015015 has 32 divisors (see below), whose sum is σ = 2507535360. Its totient is φ = 796397184.

The previous prime is 1530015007. The next prime is 1530015023. The reversal of 1530015015 is 5105100351.

1530015015 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1530015007) and next prime (1530015023).

It is not a de Polignac number, because 1530015015 - 2³ = 1530015007 is a prime.

It is a super-2 number, since 2×1530015015² = 4681891892250900450, which contains 22 as substring.

1530015015 is a modest number, since divided by 15015 gives 1530 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1530014982 and 1530015000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102562 + ... + 116528.

It is an arithmetic number, because the mean of its divisors is an integer number (78360480).

Almost surely, 2^1530015015 is an apocalyptic number.

1530015015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1530015015 is a deficient number, since it is larger than the sum of its proper divisors (977520345).

1530015015 is a wasteful number, since it uses less digits than its factorization.

1530015015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14151.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 1530015015 is about 39115.4063637335. The cubic root of 1530015015 is about 1152.2991219355.

Adding to 1530015015 its reverse (5105100351), we get a palindrome (6635115366).

The spelling of 1530015015 in words is "one billion, five hundred thirty million, fifteen thousand, fifteen".