80731541 has 8 divisors (see below), whose sum is σ = 91900224. Its totient is φ = 70201120.

The previous prime is 80731537. The next prime is 80731543. The reversal of 80731541 is 14513708.

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

It is not a de Polignac number, because 80731541 - 2² = 80731537 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 (80731543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159296 + ... + 159801.

It is an arithmetic number, because the mean of its divisors is an integer number (11487528).

Almost surely, 2^80731541 is an apocalyptic number.

It is an amenable number.

80731541 is a deficient number, since it is larger than the sum of its proper divisors (11168683).

80731541 is a wasteful number, since it uses less digits than its factorization.

80731541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319131.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 80731541 is about 8985.0732328679. The cubic root of 80731541 is about 432.1963360097.

The spelling of 80731541 in words is "eighty million, seven hundred thirty-one thousand, five hundred forty-one".