255512516 has 24 divisors (see below), whose sum is σ = 541086336. Its totient is φ = 103063680.

The previous prime is 255512479. The next prime is 255512519. The reversal of 255512516 is 615215552.

It is not an unprimeable number, because it can be changed into a prime (255512519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267920 + ... + 268871.

It is an arithmetic number, because the mean of its divisors is an integer number (22545264).

Almost surely, 2^255512516 is an apocalyptic number.

It is an amenable number.

255512516 is an abundant number, since it is smaller than the sum of its proper divisors (285573820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255512516 is a wasteful number, since it uses less digits than its factorization.

255512516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536819 (or 536817 counting only the distinct ones).

The product of its digits is 15000, while the sum is 32.

The square root of 255512516 is about 15984.7588658697. The cubic root of 255512516 is about 634.5571268701.

The spelling of 255512516 in words is "two hundred fifty-five million, five hundred twelve thousand, five hundred sixteen".