653226 has 32 divisors (see below), whose sum is σ = 1517568. Its totient is φ = 183600.

The previous prime is 653209. The next prime is 653243. The reversal of 653226 is 622356.

It is an interprime number because it is at equal distance from previous prime (653209) and next prime (653243).

It is an Ulam number.

It is a d-powerful number, because it can be written as 6³ + 5⁸ + 2⁴ + 3² + 2¹⁸ + 6³ .

It is a junction number, because it is equal to n+sod(n) for n = 653196 and 653205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4251 + ... + 4401.

It is an arithmetic number, because the mean of its divisors is an integer number (47424).

653226 is a Friedman number, since it can be written as (6^6+3)*2*(5+2), using all its digits and the basic arithmetic operations.

2⁶⁵³²²⁶ is an apocalyptic number.

653226 is an abundant number, since it is smaller than the sum of its proper divisors (864342).

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

653226 is a wasteful number, since it uses less digits than its factorization.

653226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266.

The product of its digits is 2160, while the sum is 24.

The square root of 653226 is about 808.2239788573. The cubic root of 653226 is about 86.7669811481.

The spelling of 653226 in words is "six hundred fifty-three thousand, two hundred twenty-six".