1513230863 has 4 divisors (see below), whose sum is σ = 1513355040. Its totient is φ = 1513106688.

The previous prime is 1513230857. The next prime is 1513230893. The reversal of 1513230863 is 3680323151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1513230863 - 2¹⁸ = 1512968719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513230833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41543 + ... + 68936.

It is an arithmetic number, because the mean of its divisors is an integer number (378338760).

Almost surely, 2^1513230863 is an apocalyptic number.

1513230863 is a deficient number, since it is larger than the sum of its proper divisors (124177).

1513230863 is a wasteful number, since it uses less digits than its factorization.

1513230863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124176.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1513230863 is about 38900.2681610294. The cubic root of 1513230863 is about 1148.0700744233.

The spelling of 1513230863 in words is "one billion, five hundred thirteen million, two hundred thirty thousand, eight hundred sixty-three".