652818 has 8 divisors (see below), whose sum is σ = 1305648. Its totient is φ = 217604.

The previous prime is 652811. The next prime is 652831. The reversal of 652818 is 818256.

652818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

652818 is an admirable number.

It is a super-2 number, since 2×652818² = 852342682248, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6² + 5⁸ + 8 + 2² + 1 + 8⁶ .

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 652818.

It is not an unprimeable number, because it can be changed into a prime (652811) 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, 54396 + ... + 54407.

It is an arithmetic number, because the mean of its divisors is an integer number (163206).

2⁶⁵²⁸¹⁸ is an apocalyptic number.

652818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

652818 is a wasteful number, since it uses less digits than its factorization.

652818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108808.

The product of its digits is 3840, while the sum is 30.

The square root of 652818 is about 807.9715341520. The cubic root of 652818 is about 86.7489127199.

The spelling of 652818 in words is "six hundred fifty-two thousand, eight hundred eighteen".