80530 has 8 divisors (see below), whose sum is σ = 144972. Its totient is φ = 32208.

The previous prime is 80527. The next prime is 80537. The reversal of 80530 is 3508.

It can be written as a sum of positive squares in 2 ways, for example, as 80089 + 441 = 283^2 + 21^2 .

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

It is an Ulam number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (80537) 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, 4017 + ... + 4036.

2⁸⁰⁵³⁰ is an apocalyptic number.

80530 is a deficient number, since it is larger than the sum of its proper divisors (64442).

80530 is a wasteful number, since it uses less digits than its factorization.

80530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8060.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 80530 is about 283.7780823108. The cubic root of 80530 is about 43.1836386373.

The spelling of 80530 in words is "eighty thousand, five hundred thirty".