513526321006 has 4 divisors (see below), whose sum is σ = 770289481512. Its totient is φ = 256763160502.

The previous prime is 513526320997. The next prime is 513526321031. The reversal of 513526321006 is 600123625315.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128381580250 + ... + 128381580253.

It is an arithmetic number, because the mean of its divisors is an integer number (192572370378).

Almost surely, 2^513526321006 is an apocalyptic number.

513526321006 is a deficient number, since it is larger than the sum of its proper divisors (256763160506).

513526321006 is a wasteful number, since it uses less digits than its factorization.

513526321006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256763160505.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 513526321006 in words is "five hundred thirteen billion, five hundred twenty-six million, three hundred twenty-one thousand, six".