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255115325 = 5241248893
BaseRepresentation
bin11110011010011…
…00000000111101
3122210001012102202
433031030000331
51010302142300
641152001245
76215305313
oct1715140075
9583035382
10255115325
11121007a13
1271530225
1340b13b1a
1425c4c0b3
hexf34c03d

255115325 has 12 divisors (see below), whose sum is σ = 324059988. Its totient is φ = 199113600.

The previous prime is 255115321. The next prime is 255115327. The reversal of 255115325 is 523511552.

255115325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 75394489 + 179720836 = 8683^2 + 13406^2 .

It is not a de Polignac number, because 255115325 - 22 = 255115321 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 (255115321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123422 + ... + 125471.

It is an arithmetic number, because the mean of its divisors is an integer number (27004999).

Almost surely, 2255115325 is an apocalyptic number.

255115325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255115325 is a deficient number, since it is larger than the sum of its proper divisors (68944663).

255115325 is a wasteful number, since it uses less digits than its factorization.

255115325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248944 (or 248939 counting only the distinct ones).

The product of its digits is 7500, while the sum is 29.

The square root of 255115325 is about 15972.3299803128. The cubic root of 255115325 is about 634.2281526520.

Adding to 255115325 its reverse (523511552), we get a palindrome (778626877).

The spelling of 255115325 in words is "two hundred fifty-five million, one hundred fifteen thousand, three hundred twenty-five".