513152113 has 8 divisors (see below), whose sum is σ = 521070408. Its totient is φ = 505257984.

The previous prime is 513152099. The next prime is 513152117. The reversal of 513152113 is 311251315.

It can be written as a sum of positive squares in 4 ways, for example, as 30603024 + 482549089 = 5532^2 + 21967^2 .

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 513152113 - 2²¹ = 511054961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513152117) 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, 39345 + ... + 50737.

It is an arithmetic number, because the mean of its divisors is an integer number (65133801).

Almost surely, 2^513152113 is an apocalyptic number.

It is an amenable number.

513152113 is a deficient number, since it is larger than the sum of its proper divisors (7918295).

513152113 is a wasteful number, since it uses less digits than its factorization.

513152113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12083.

The product of its digits is 450, while the sum is 22.

The square root of 513152113 is about 22652.8610334324. The cubic root of 513152113 is about 800.5996093277.

The spelling of 513152113 in words is "five hundred thirteen million, one hundred fifty-two thousand, one hundred thirteen".