512513005 has 4 divisors (see below), whose sum is σ = 615015612. Its totient is φ = 410010400.

The previous prime is 512512993. The next prime is 512513039. The reversal of 512513005 is 500315215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500315215 = 5 ⋅100063043.

It can be written as a sum of positive squares in 2 ways, for example, as 406546569 + 105966436 = 20163^2 + 10294^2 .

It is not a de Polignac number, because 512513005 - 2¹³ = 512504813 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

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, 51251296 + ... + 51251305.

It is an arithmetic number, because the mean of its divisors is an integer number (153753903).

Almost surely, 2^512513005 is an apocalyptic number.

It is an amenable number.

512513005 is a deficient number, since it is larger than the sum of its proper divisors (102502607).

512513005 is a wasteful number, since it uses less digits than its factorization.

512513005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102502606.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 512513005 is about 22638.7500759207. The cubic root of 512513005 is about 800.2671009156.

The spelling of 512513005 in words is "five hundred twelve million, five hundred thirteen thousand, five".