80342249 has 8 divisors (see below), whose sum is σ = 86612232. Its totient is φ = 74085120.

The previous prime is 80342219. The next prime is 80342261. The reversal of 80342249 is 94224308.

It can be written as a sum of positive squares in 4 ways, for example, as 36517849 + 43824400 = 6043^2 + 6620^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80342249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80342219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12737 + ... + 17969.

It is an arithmetic number, because the mean of its divisors is an integer number (10826529).

Almost surely, 2^80342249 is an apocalyptic number.

It is an amenable number.

80342249 is a deficient number, since it is larger than the sum of its proper divisors (6269983).

80342249 is a wasteful number, since it uses less digits than its factorization.

80342249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6427.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 80342249 is about 8963.3837918500. The cubic root of 80342249 is about 431.5005247706.

The spelling of 80342249 in words is "eighty million, three hundred forty-two thousand, two hundred forty-nine".