1013530015 has 32 divisors (see below), whose sum is σ = 1304916480. Its totient is φ = 753492096.

The previous prime is 1013530013. The next prime is 1013530031. The reversal of 1013530015 is 5100353101.

It is a cyclic number.

It is not a de Polignac number, because 1013530015 - 2¹ = 1013530013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 1013529974 and 1013530001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013530013) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1363734 + ... + 1364476.

It is an arithmetic number, because the mean of its divisors is an integer number (40778640).

Almost surely, 2^1013530015 is an apocalyptic number.

1013530015 is a deficient number, since it is larger than the sum of its proper divisors (291386465).

1013530015 is a wasteful number, since it uses less digits than its factorization.

1013530015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 1013530015 is about 31835.9861634597. The cubic root of 1013530015 is about 1004.4898163796.

Adding to 1013530015 its reverse (5100353101), we get a palindrome (6113883116).

The spelling of 1013530015 in words is "one billion, thirteen million, five hundred thirty thousand, fifteen".