652212 has 72 divisors (see below), whose sum is σ = 1895712. Its totient is φ = 194400.

The previous prime is 652207. The next prime is 652217. The reversal of 652212 is 212256.

652212 is a `hidden beast` number, since 652 + 2 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (652207) and next prime (652217).

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 (652217) by changing a digit.

652212 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10662 + ... + 10722.

2⁶⁵²²¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (947856).

652212 is an abundant number, since it is smaller than the sum of its proper divisors (1243500).

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

652212 is a wasteful number, since it uses less digits than its factorization.

652212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 77 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 652212 is about 807.5964338703. The cubic root of 652212 is about 86.7220618896.

Adding to 652212 its reverse (212256), we get a palindrome (864468).

The spelling of 652212 in words is "six hundred fifty-two thousand, two hundred twelve".