80531299 has 2 divisors, whose sum is σ = 80531300. Its totient is φ = 80531298.

The previous prime is 80531287. The next prime is 80531323. The reversal of 80531299 is 99213508.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80531299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80531219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40265649 + 40265650.

It is an arithmetic number, because the mean of its divisors is an integer number (40265650).

Almost surely, 2^80531299 is an apocalyptic number.

80531299 is a deficient number, since it is larger than the sum of its proper divisors (1).

80531299 is an equidigital number, since it uses as much as digits as its factorization.

80531299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 80531299 is about 8973.9232780317. The cubic root of 80531299 is about 431.8387082918.

The spelling of 80531299 in words is "eighty million, five hundred thirty-one thousand, two hundred ninety-nine".