80249321 has 8 divisors (see below), whose sum is σ = 80812800. Its totient is φ = 79688448.

The previous prime is 80249311. The next prime is 80249327. The reversal of 80249321 is 12394208.

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-80249321 is a prime.

It is a super-2 number, since 2×80249321² = 12879907041922082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80249327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164540 + ... + 165026.

It is an arithmetic number, because the mean of its divisors is an integer number (10101600).

Almost surely, 2^80249321 is an apocalyptic number.

It is an amenable number.

80249321 is a deficient number, since it is larger than the sum of its proper divisors (563479).

80249321 is a wasteful number, since it uses less digits than its factorization.

80249321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 80249321 is about 8958.1985354199. The cubic root of 80249321 is about 431.3340953133.

The spelling of 80249321 in words is "eighty million, two hundred forty-nine thousand, three hundred twenty-one".