80348281 has 8 divisors (see below), whose sum is σ = 86635080. Its totient is φ = 74076672.

The previous prime is 80348263. The next prime is 80348287. The reversal of 80348281 is 18284308.

It can be written as a sum of positive squares in 4 ways, for example, as 14592400 + 65755881 = 3820^2 + 8109^2 .

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-80348281 is a prime.

It is a super-2 number, since 2×80348281² = 12911692519309922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80348287) 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, 8751 + ... + 15403.

It is an arithmetic number, because the mean of its divisors is an integer number (10829385).

Almost surely, 2^80348281 is an apocalyptic number.

It is an amenable number.

80348281 is a deficient number, since it is larger than the sum of its proper divisors (6286799).

80348281 is a wasteful number, since it uses less digits than its factorization.

80348281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7595.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 80348281 is about 8963.7202656040. The cubic root of 80348281 is about 431.5113233482.

The spelling of 80348281 in words is "eighty million, three hundred forty-eight thousand, two hundred eighty-one".