80303029 has 2 divisors, whose sum is σ = 80303030. Its totient is φ = 80303028.

The previous prime is 80303021. The next prime is 80303039. The reversal of 80303029 is 92030308.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79299025 + 1004004 = 8905^2 + 1002^2 .

It is a cyclic number.

It is not a de Polignac number, because 80303029 - 2³ = 80303021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80302994 and 80303012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80303021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40151514 + 40151515.

It is an arithmetic number, because the mean of its divisors is an integer number (40151515).

Almost surely, 2^80303029 is an apocalyptic number.

It is an amenable number.

80303029 is a deficient number, since it is larger than the sum of its proper divisors (1).

80303029 is an equidigital number, since it uses as much as digits as its factorization.

80303029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 80303029 is about 8961.1957349452. The cubic root of 80303029 is about 431.4302993482.

The spelling of 80303029 in words is "eighty million, three hundred three thousand, twenty-nine".