513113087 has 8 divisors (see below), whose sum is σ = 526617936. Its totient is φ = 499749952.

The previous prime is 513113063. The next prime is 513113089. The reversal of 513113087 is 780311315.

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 513113087 - 2¹² = 513108991 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 (513113089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28073 + ... + 42594.

It is an arithmetic number, because the mean of its divisors is an integer number (65827242).

Almost surely, 2^513113087 is an apocalyptic number.

513113087 is a deficient number, since it is larger than the sum of its proper divisors (13504849).

513113087 is a wasteful number, since it uses less digits than its factorization.

513113087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70857.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 513113087 is about 22651.9996247572. Note that the first 3 decimals coincide. The cubic root of 513113087 is about 800.5793132065.

It can be divided in two parts, 51311308 and 7, that added together give a palindrome (51311315).

The spelling of 513113087 in words is "five hundred thirteen million, one hundred thirteen thousand, eighty-seven".