80543503 has 2 divisors, whose sum is σ = 80543504. Its totient is φ = 80543502.

The previous prime is 80543497. The next prime is 80543509. The reversal of 80543503 is 30534508.

It is a balanced prime because it is at equal distance from previous prime (80543497) and next prime (80543509).

It is a cyclic number.

It is not a de Polignac number, because 80543503 - 2⁵ = 80543471 is a prime.

It is a super-2 number, since 2×80543503² = 12974511751022018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80543509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40271751 + 40271752.

It is an arithmetic number, because the mean of its divisors is an integer number (40271752).

Almost surely, 2^80543503 is an apocalyptic number.

80543503 is a deficient number, since it is larger than the sum of its proper divisors (1).

80543503 is an equidigital number, since it uses as much as digits as its factorization.

80543503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 80543503 is about 8974.6032224272. The cubic root of 80543503 is about 431.8605213155.

The spelling of 80543503 in words is "eighty million, five hundred forty-three thousand, five hundred three".