1517531012 has 12 divisors (see below), whose sum is σ = 2662508940. Its totient is φ = 756814176.

The previous prime is 1517530997. The next prime is 1517531077. The reversal of 1517531012 is 2101357151.

It can be written as a sum of positive squares in 2 ways, for example, as 537590596 + 979940416 = 23186^2 + 31304^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486083 + ... + 489194.

It is an arithmetic number, because the mean of its divisors is an integer number (221875745).

Almost surely, 2^1517531012 is an apocalyptic number.

It is an amenable number.

1517531012 is a deficient number, since it is larger than the sum of its proper divisors (1144977928).

1517531012 is a wasteful number, since it uses less digits than its factorization.

1517531012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975670 (or 975668 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 1517531012 is about 38955.5004075163. The cubic root of 1517531012 is about 1149.1565363992.

Adding to 1517531012 its reverse (2101357151), we get a palindrome (3618888163).

The spelling of 1517531012 in words is "one billion, five hundred seventeen million, five hundred thirty-one thousand, twelve".