653279 has 6 divisors (see below), whose sum is σ = 718200. Its totient is φ = 593780.

The previous prime is 653273. The next prime is 653281. The reversal of 653279 is 972356.

It is not a de Polignac number, because 653279 - 2¹² = 649183 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 (653273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2579 + ... + 2820.

It is an arithmetic number, because the mean of its divisors is an integer number (119700).

2⁶⁵³²⁷⁹ is an apocalyptic number.

653279 is a deficient number, since it is larger than the sum of its proper divisors (64921).

653279 is a wasteful number, since it uses less digits than its factorization.

653279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421 (or 5410 counting only the distinct ones).

The product of its digits is 11340, while the sum is 32.

The square root of 653279 is about 808.2567661331. The cubic root of 653279 is about 86.7693277202.

The spelling of 653279 in words is "six hundred fifty-three thousand, two hundred seventy-nine".