15255 has 16 divisors (see below), whose sum is σ = 27360. Its totient is φ = 8064.
The previous prime is 15241. The next prime is 15259. The reversal of 15255 is 55251.
It is not a de Polignac number, because 15255 - 212 = 11159 is a prime.
15255 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15259) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79 + ... + 191.
It is an arithmetic number, because the mean of its divisors is an integer number (1710).
215255 is an apocalyptic number.
15255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
15255 is a deficient number, since it is larger than the sum of its proper divisors (12105).
15255 is a wasteful number, since it uses less digits than its factorization.
15255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127 (or 121 counting only the distinct ones).
The product of its digits is 250, while the sum is 18.
The square root of 15255 is about 123.5111331014. The cubic root of 15255 is about 24.8010882283.
The spelling of 15255 in words is "fifteen thousand, two hundred fifty-five".
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