80501 has 4 divisors (see below), whose sum is σ = 81600. Its totient is φ = 79404.

The previous prime is 80491. The next prime is 80513. The reversal of 80501 is 10508.

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 a de Polignac number, because none of the positive numbers 2^k-80501 is a prime.

It is a super-2 number, since 2×80501² = 12960822002, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80701) 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, 431 + ... + 588.

It is an arithmetic number, because the mean of its divisors is an integer number (20400).

2⁸⁰⁵⁰¹ is an apocalyptic number.

It is an amenable number.

80501 is a deficient number, since it is larger than the sum of its proper divisors (1099).

80501 is a wasteful number, since it uses less digits than its factorization.

80501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 80501 is about 283.7269814452. The cubic root of 80501 is about 43.1784543338.

The spelling of 80501 in words is "eighty thousand, five hundred one".