1513503345 has 8 divisors (see below), whose sum is σ = 2421605376. Its totient is φ = 807201776.

The previous prime is 1513503331. The next prime is 1513503361. The reversal of 1513503345 is 5433053151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1513503345 - 2¹⁰ = 1513502321 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50450097 + ... + 50450126.

It is an arithmetic number, because the mean of its divisors is an integer number (302700672).

Almost surely, 2^1513503345 is an apocalyptic number.

1513503345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1513503345 is a deficient number, since it is larger than the sum of its proper divisors (908102031).

1513503345 is a wasteful number, since it uses less digits than its factorization.

1513503345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100900231.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 1513503345 is about 38903.7703185694. The cubic root of 1513503345 is about 1148.1389798941.

Adding to 1513503345 its reverse (5433053151), we get a palindrome (6946556496).

The spelling of 1513503345 in words is "one billion, five hundred thirteen million, five hundred three thousand, three hundred forty-five".