513110505 has 16 divisors (see below), whose sum is σ = 822674304. Its totient is φ = 273093120.

The previous prime is 513110501. The next prime is 513110557. The reversal of 513110505 is 505011315.

It is not a de Polignac number, because 513110505 - 2² = 513110501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513110501) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 27816 + ... + 42425.

It is an arithmetic number, because the mean of its divisors is an integer number (51417144).

Almost surely, 2^513110505 is an apocalyptic number.

It is an amenable number.

513110505 is a deficient number, since it is larger than the sum of its proper divisors (309563799).

513110505 is a wasteful number, since it uses less digits than its factorization.

513110505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70736.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 513110505 is about 22651.9426319245. The cubic root of 513110505 is about 800.5779703581.

The spelling of 513110505 in words is "five hundred thirteen million, one hundred ten thousand, five hundred five".