80561049 has 8 divisors (see below), whose sum is σ = 108419040. Its totient is φ = 53205216.

The previous prime is 80561003. The next prime is 80561057. The reversal of 80561049 is 94016508.

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

It is not a de Polignac number, because 80561049 - 2¹² = 80556953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80562049) 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 7 ways as a sum of consecutive naturals, for example, 125164 + ... + 125805.

It is an arithmetic number, because the mean of its divisors is an integer number (13552380).

Almost surely, 2^80561049 is an apocalyptic number.

It is an amenable number.

80561049 is a deficient number, since it is larger than the sum of its proper divisors (27857991).

80561049 is a wasteful number, since it uses less digits than its factorization.

80561049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251079.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 80561049 is about 8975.5807054474. The cubic root of 80561049 is about 431.8918785914.

The spelling of 80561049 in words is "eighty million, five hundred sixty-one thousand, forty-nine".