215352 has 32 divisors (see below), whose sum is σ = 598800. Its totient is φ = 71712.

The previous prime is 215351. The next prime is 215353. The reversal of 215352 is 253512.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (215351) and next prime (215353).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283 + ... + 714.

2²¹⁵³⁵² is an apocalyptic number.

It is an amenable number.

215352 is an abundant number, since it is smaller than the sum of its proper divisors (383448).

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

215352 is a wasteful number, since it uses less digits than its factorization.

215352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 1002 counting only the distinct ones).

The product of its digits is 300, while the sum is 18.

The square root of 215352 is about 464.0603409041. The cubic root of 215352 is about 59.9399398998.

Adding to 215352 its reverse (253512), we get a palindrome (468864).

The spelling of 215352 in words is "two hundred fifteen thousand, three hundred fifty-two".