513652105 has 8 divisors (see below), whose sum is σ = 616589064. Its totient is φ = 410784000.

The previous prime is 513652103. The next prime is 513652129. The reversal of 513652105 is 501256315.

It can be written as a sum of positive squares in 4 ways, for example, as 16540489 + 497111616 = 4067^2 + 22296^2 .

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

It is not a de Polignac number, because 513652105 - 2¹ = 513652103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513652103) 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 7 ways as a sum of consecutive naturals, for example, 945 + ... + 32065.

It is an arithmetic number, because the mean of its divisors is an integer number (77073633).

Almost surely, 2^513652105 is an apocalyptic number.

It is an amenable number.

513652105 is a deficient number, since it is larger than the sum of its proper divisors (102936959).

513652105 is a wasteful number, since it uses less digits than its factorization.

513652105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34427.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 513652105 is about 22663.8943034952. The cubic root of 513652105 is about 800.8595474960.

The spelling of 513652105 in words is "five hundred thirteen million, six hundred fifty-two thousand, one hundred five".