52515 has 16 divisors (see below), whose sum is σ = 93600. Its totient is φ = 27936.
The previous prime is 52511. The next prime is 52517. The reversal of 52515 is 51525.
52515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 52515 - 22 = 52511 is a prime.
It is not an unprimeable number, because it can be changed into a prime (52511) 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, 60 + ... + 329.
It is an arithmetic number, because the mean of its divisors is an integer number (5850).
252515 is an apocalyptic number.
52515 is a deficient number, since it is larger than the sum of its proper divisors (41085).
52515 is a wasteful number, since it uses less digits than its factorization.
52515 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 403 (or 397 counting only the distinct ones).
The product of its digits is 250, while the sum is 18.
The square root of 52515 is about 229.1615150936. The cubic root of 52515 is about 37.4479277262.
Subtracting from 52515 its reverse (51525), we obtain a triangular number (990 = T44).
It can be divided in two parts, 525 and 15, that multiplied together give a triangular number (7875 = T125).
The spelling of 52515 in words is "fifty-two thousand, five hundred fifteen".
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