80318633 has 2 divisors, whose sum is σ = 80318634. Its totient is φ = 80318632.

The previous prime is 80318621. The next prime is 80318653. The reversal of 80318633 is 33681308.

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., 78092569 + 2226064 = 8837^2 + 1492^2 .

It is a cyclic number.

It is not a de Polignac number, because 80318633 - 2¹² = 80314537 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 80318633.

It is not a weakly prime, because it can be changed into another prime (80318653) 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 as a sum of consecutive naturals, namely, 40159316 + 40159317.

It is an arithmetic number, because the mean of its divisors is an integer number (40159317).

Almost surely, 2^80318633 is an apocalyptic number.

It is an amenable number.

80318633 is a deficient number, since it is larger than the sum of its proper divisors (1).

80318633 is an equidigital number, since it uses as much as digits as its factorization.

80318633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 80318633 is about 8962.0663353939. The cubic root of 80318633 is about 431.4582418491.

The spelling of 80318633 in words is "eighty million, three hundred eighteen thousand, six hundred thirty-three".