513660273 has 16 divisors (see below), whose sum is σ = 783125376. Its totient is φ = 293368320.

The previous prime is 513660247. The next prime is 513660289. The reversal of 513660273 is 372066315.

It is not a de Polignac number, because 513660273 - 2¹³ = 513652081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513660293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44865 + ... + 55137.

It is an arithmetic number, because the mean of its divisors is an integer number (48945336).

Almost surely, 2^513660273 is an apocalyptic number.

It is an amenable number.

513660273 is a deficient number, since it is larger than the sum of its proper divisors (269465103).

513660273 is a wasteful number, since it uses less digits than its factorization.

513660273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12664.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 513660273 is about 22664.0745012895. The cubic root of 513660273 is about 800.8637925133.

The spelling of 513660273 in words is "five hundred thirteen million, six hundred sixty thousand, two hundred seventy-three".