80530305 has 16 divisors (see below), whose sum is σ = 128960640. Its totient is φ = 42912128.

The previous prime is 80530297. The next prime is 80530321. The reversal of 80530305 is 50303508.

It is a cyclic number.

It is not a de Polignac number, because 80530305 - 2³ = 80530297 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29269 + ... + 31901.

It is an arithmetic number, because the mean of its divisors is an integer number (8060040).

Almost surely, 2^80530305 is an apocalyptic number.

It is an amenable number.

80530305 is a deficient number, since it is larger than the sum of its proper divisors (48430335).

80530305 is a wasteful number, since it uses less digits than its factorization.

80530305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 80530305 is about 8973.8678951721. The cubic root of 80530305 is about 431.8369315522.

The spelling of 80530305 in words is "eighty million, five hundred thirty thousand, three hundred five".