252155 has 16 divisors (see below), whose sum is σ = 328320. Its totient is φ = 185472.
The previous prime is 252151. The next prime is 252157. The reversal of 252155 is 551252.
It is a cyclic number.
It is not a de Polignac number, because 252155 - 22 = 252151 is a prime.
It is not an unprimeable number, because it can be changed into a prime (252151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5342 + ... + 5388.
It is an arithmetic number, because the mean of its divisors is an integer number (20520).
2252155 is an apocalyptic number.
252155 is a deficient number, since it is larger than the sum of its proper divisors (76165).
252155 is a wasteful number, since it uses less digits than its factorization.
252155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118.
The product of its digits is 500, while the sum is 20.
The square root of 252155 is about 502.1503758836. The cubic root of 252155 is about 63.1765435305.
It can be divided in two parts, 252 and 155, that multiplied together give a triangular number (39060 = T279).
The spelling of 252155 in words is "two hundred fifty-two thousand, one hundred fifty-five".
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