215052 has 12 divisors (see below), whose sum is σ = 501816. Its totient is φ = 71680.

The previous prime is 215051. The next prime is 215063. The reversal of 215052 is 250512.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (215051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8949 + ... + 8972.

It is an arithmetic number, because the mean of its divisors is an integer number (41818).

2²¹⁵⁰⁵² is an apocalyptic number.

It is an amenable number.

215052 is an abundant number, since it is smaller than the sum of its proper divisors (286764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215052 is a wasteful number, since it uses less digits than its factorization.

215052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17928 (or 17926 counting only the distinct ones).

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

The square root of 215052 is about 463.7369944268. The cubic root of 215052 is about 59.9120934926.

Adding to 215052 its reverse (250512), we get a palindrome (465564).

The spelling of 215052 in words is "two hundred fifteen thousand, fifty-two".