513081106 has 8 divisors (see below), whose sum is σ = 769944780. Its totient is φ = 256432848.

The previous prime is 513081091. The next prime is 513081119. The reversal of 513081106 is 601180315.

It can be written as a sum of positive squares in 2 ways, for example, as 512343225 + 737881 = 22635^2 + 859^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 47761 + ... + 57508.

Almost surely, 2^513081106 is an apocalyptic number.

513081106 is a deficient number, since it is larger than the sum of its proper divisors (256863674).

513081106 is a wasteful number, since it uses less digits than its factorization.

513081106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107708.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 513081106 is about 22651.2936937386. The cubic root of 513081106 is about 800.5626801876.

The spelling of 513081106 in words is "five hundred thirteen million, eighty-one thousand, one hundred six".