80530005 has 16 divisors (see below), whose sum is σ = 129225600. Its totient is φ = 42823488.

The previous prime is 80529997. The next prime is 80530007. The reversal of 80530005 is 50003508.

It is not a de Polignac number, because 80530005 - 2³ = 80529997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80530007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2457 + ... + 12926.

It is an arithmetic number, because the mean of its divisors is an integer number (8076600).

Almost surely, 2^80530005 is an apocalyptic number.

It is an amenable number.

80530005 is a deficient number, since it is larger than the sum of its proper divisors (48695595).

80530005 is a wasteful number, since it uses less digits than its factorization.

80530005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15740.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 80530005 is about 8973.8511799561. The cubic root of 80530005 is about 431.8363953100.

The spelling of 80530005 in words is "eighty million, five hundred thirty thousand, five".