512042165 has 8 divisors (see below), whose sum is σ = 615282048. Its totient is φ = 409079440.

The previous prime is 512042161. The next prime is 512042171. The reversal of 512042165 is 561240215.

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

It is not a de Polignac number, because 512042165 - 2² = 512042161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512042161) 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, 65201 + ... + 72630.

It is an arithmetic number, because the mean of its divisors is an integer number (76910256).

Almost surely, 2^512042165 is an apocalyptic number.

It is an amenable number.

512042165 is a deficient number, since it is larger than the sum of its proper divisors (103239883).

512042165 is a wasteful number, since it uses less digits than its factorization.

512042165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138579.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 512042165 is about 22628.3487024573. The cubic root of 512042165 is about 800.0219603347.

The spelling of 512042165 in words is "five hundred twelve million, forty-two thousand, one hundred sixty-five".