513065173 has 8 divisors (see below), whose sum is σ = 516069792. Its totient is φ = 510067536.

The previous prime is 513065149. The next prime is 513065191. The reversal of 513065173 is 371560315.

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 513065173 - 2⁹ = 513064661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513065123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225186 + ... + 227452.

It is an arithmetic number, because the mean of its divisors is an integer number (64508724).

Almost surely, 2^513065173 is an apocalyptic number.

It is an amenable number.

513065173 is a deficient number, since it is larger than the sum of its proper divisors (3004619).

513065173 is a wasteful number, since it uses less digits than its factorization.

513065173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 513065173 is about 22650.9419892419. The cubic root of 513065173 is about 800.5543933255.

The spelling of 513065173 in words is "five hundred thirteen million, sixty-five thousand, one hundred seventy-three".