513052505 has 8 divisors (see below), whose sum is σ = 703614912. Its totient is φ = 351807408.

The previous prime is 513052499. The next prime is 513052583. The reversal of 513052505 is 505250315.

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

It is a cyclic number.

It is not a de Polignac number, because 513052505 - 2¹⁰ = 513051481 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7329287 + ... + 7329356.

It is an arithmetic number, because the mean of its divisors is an integer number (87951864).

Almost surely, 2^513052505 is an apocalyptic number.

It is an amenable number.

513052505 is a deficient number, since it is larger than the sum of its proper divisors (190562407).

513052505 is a wasteful number, since it uses less digits than its factorization.

513052505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14658655.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 513052505 is about 22650.6623523463. The cubic root of 513052505 is about 800.5478044897.

The spelling of 513052505 in words is "five hundred thirteen million, fifty-two thousand, five hundred five".