653271 has 8 divisors (see below), whose sum is σ = 883584. Its totient is φ = 429240.

The previous prime is 653267. The next prime is 653273. The reversal of 653271 is 172356.

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

It is not a de Polignac number, because 653271 - 2² = 653267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653273) 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, 1321 + ... + 1746.

It is an arithmetic number, because the mean of its divisors is an integer number (110448).

2⁶⁵³²⁷¹ is an apocalyptic number.

653271 is a deficient number, since it is larger than the sum of its proper divisors (230313).

653271 is a wasteful number, since it uses less digits than its factorization.

653271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141.

The product of its digits is 1260, while the sum is 24.

The square root of 653271 is about 808.2518171956. The cubic root of 653271 is about 86.7689735288.

The spelling of 653271 in words is "six hundred fifty-three thousand, two hundred seventy-one".