255105312 has 96 divisors (see below), whose sum is σ = 834914304. Its totient is φ = 66259200.

The previous prime is 255105307. The next prime is 255105337. The reversal of 255105312 is 213501552.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9864 + ... + 24647.

It is an arithmetic number, because the mean of its divisors is an integer number (8697024).

Almost surely, 2^255105312 is an apocalyptic number.

255105312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

255105312 is an abundant number, since it is smaller than the sum of its proper divisors (579808992).

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

255105312 is a wasteful number, since it uses less digits than its factorization.

255105312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34542 (or 34534 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 255105312 is about 15972.0165289171. The cubic root of 255105312 is about 634.2198549542.

Adding to 255105312 its reverse (213501552), we get a palindrome (468606864).

The spelling of 255105312 in words is "two hundred fifty-five million, one hundred five thousand, three hundred twelve".