80243351 has 2 divisors, whose sum is σ = 80243352. Its totient is φ = 80243350.

The previous prime is 80243329. The next prime is 80243357. The reversal of 80243351 is 15334208.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80243351 - 2²² = 76049047 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80243351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80243357) 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 as a sum of consecutive naturals, namely, 40121675 + 40121676.

It is an arithmetic number, because the mean of its divisors is an integer number (40121676).

Almost surely, 2^80243351 is an apocalyptic number.

80243351 is a deficient number, since it is larger than the sum of its proper divisors (1).

80243351 is an equidigital number, since it uses as much as digits as its factorization.

80243351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 80243351 is about 8957.8653149062. The cubic root of 80243351 is about 431.3233989469.

Adding to 80243351 its reverse (15334208), we get a palindrome (95577559).

The spelling of 80243351 in words is "eighty million, two hundred forty-three thousand, three hundred fifty-one".