80298913 has 4 divisors (see below), whose sum is σ = 80398980. Its totient is φ = 80198848.

The previous prime is 80298901. The next prime is 80298919. The reversal of 80298913 is 31989208.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45050944 + 35247969 = 6712^2 + 5937^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80298913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80298919) 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 3 ways as a sum of consecutive naturals, for example, 48820 + ... + 50437.

It is an arithmetic number, because the mean of its divisors is an integer number (20099745).

Almost surely, 2^80298913 is an apocalyptic number.

It is an amenable number.

80298913 is a deficient number, since it is larger than the sum of its proper divisors (100067).

80298913 is an equidigital number, since it uses as much as digits as its factorization.

80298913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100066.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 80298913 is about 8960.9660751506. The cubic root of 80298913 is about 431.4229281133.

The spelling of 80298913 in words is "eighty million, two hundred ninety-eight thousand, nine hundred thirteen".