652278 has 16 divisors (see below), whose sum is σ = 1423296. Its totient is φ = 197640.

The previous prime is 652261. The next prime is 652279. The reversal of 652278 is 872256.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6⁵ + 5 + 2¹¹ + 2¹⁹ + 7⁶ + 8³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652279) 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, 4876 + ... + 5007.

It is an arithmetic number, because the mean of its divisors is an integer number (88956).

2⁶⁵²²⁷⁸ is an apocalyptic number.

652278 is an abundant number, since it is smaller than the sum of its proper divisors (771018).

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

652278 is a wasteful number, since it uses less digits than its factorization.

652278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9899.

The product of its digits is 6720, while the sum is 30.

The square root of 652278 is about 807.6372948298. The cubic root of 652278 is about 86.7249870443.

The spelling of 652278 in words is "six hundred fifty-two thousand, two hundred seventy-eight".