80653 has 4 divisors (see below), whose sum is σ = 82080. Its totient is φ = 79228.

The previous prime is 80651. The next prime is 80657. The reversal of 80653 is 35608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80653 - 2¹ = 80651 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 (80651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625 + ... + 742.

It is an arithmetic number, because the mean of its divisors is an integer number (20520).

2⁸⁰⁶⁵³ is an apocalyptic number.

It is an amenable number.

80653 is a deficient number, since it is larger than the sum of its proper divisors (1427).

80653 is a wasteful number, since it uses less digits than its factorization.

80653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 80653 is about 283.9947182607. The cubic root of 80653 is about 43.2056134109.

The spelling of 80653 in words is "eighty thousand, six hundred fifty-three".