512155853 has 6 divisors (see below), whose sum is σ = 562948302. Its totient is φ = 465596120.

The previous prime is 512155837. The next prime is 512155859. The reversal of 512155853 is 358551215.

It can be written as a sum of positive squares in only one way, i.e., 511981129 + 174724 = 22627^2 + 418^2 .

It is not a de Polignac number, because 512155853 - 2⁴ = 512155837 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 (512155859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2116226 + ... + 2116467.

It is an arithmetic number, because the mean of its divisors is an integer number (93824717).

Almost surely, 2^512155853 is an apocalyptic number.

It is an amenable number.

512155853 is a deficient number, since it is larger than the sum of its proper divisors (50792449).

512155853 is a wasteful number, since it uses less digits than its factorization.

512155853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4232715 (or 4232704 counting only the distinct ones).

The product of its digits is 30000, while the sum is 35.

The square root of 512155853 is about 22630.8606332150. The cubic root of 512155853 is about 800.0811652025.

The spelling of 512155853 in words is "five hundred twelve million, one hundred fifty-five thousand, eight hundred fifty-three".