512545913 has 16 divisors (see below), whose sum is σ = 587079360. Its totient is φ = 443150400.

The previous prime is 512545897. The next prime is 512545949. The reversal of 512545913 is 319545215.

It is not a de Polignac number, because 512545913 - 2⁴ = 512545897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (512545993) 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, 9383 + ... + 33363.

It is an arithmetic number, because the mean of its divisors is an integer number (36692460).

Almost surely, 2^512545913 is an apocalyptic number.

It is an amenable number.

512545913 is a deficient number, since it is larger than the sum of its proper divisors (74533447).

512545913 is a wasteful number, since it uses less digits than its factorization.

512545913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24088.

The product of its digits is 27000, while the sum is 35.

The square root of 512545913 is about 22639.4768711647. The cubic root of 512545913 is about 800.2842286931.

The spelling of 512545913 in words is "five hundred twelve million, five hundred forty-five thousand, nine hundred thirteen".