653263 has 8 divisors (see below), whose sum is σ = 726656. Its totient is φ = 583200.

The previous prime is 653243. The next prime is 653267. The reversal of 653263 is 362356.

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

It is a cyclic number.

It is not a de Polignac number, because 653263 - 2¹⁷ = 522191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653267) 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, 408 + ... + 1213.

It is an arithmetic number, because the mean of its divisors is an integer number (90832).

2⁶⁵³²⁶³ is an apocalyptic number.

653263 is a deficient number, since it is larger than the sum of its proper divisors (73393).

653263 is a wasteful number, since it uses less digits than its factorization.

653263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665.

The product of its digits is 3240, while the sum is 25.

The square root of 653263 is about 808.2468682278. The cubic root of 653263 is about 86.7686193344.

The spelling of 653263 in words is "six hundred fifty-three thousand, two hundred sixty-three".