52215 has 12 divisors (see below), whose sum is σ = 84984. Its totient is φ = 27376.

The previous prime is 52201. The next prime is 52223. The reversal of 52215 is 51225.

It is not a de Polignac number, because 52215 - 2⁵ = 52183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 52194 and 52203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 856 + ... + 914.

It is an arithmetic number, because the mean of its divisors is an integer number (7082).

2⁵²²¹⁵ is an apocalyptic number.

52215 is a deficient number, since it is larger than the sum of its proper divisors (32769).

52215 is an equidigital number, since it uses as much as digits as its factorization.

52215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 67 counting only the distinct ones).

The product of its digits is 100, while the sum is 15.

The square root of 52215 is about 228.5060174262. The cubic root of 52215 is about 37.3764824936.

Multiplying 52215 by its sum of digits (15), we get a square (783225 = 885²).

52215 divided by its sum of digits (15) gives a square (3481 = 59²).

Subtracting from 52215 its reverse (51225), we obtain a triangular number (990 = T₄₄).

The spelling of 52215 in words is "fifty-two thousand, two hundred fifteen".