80330381 has 2 divisors, whose sum is σ = 80330382. Its totient is φ = 80330380.

The previous prime is 80330359. The next prime is 80330401. The reversal of 80330381 is 18303308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62267881 + 18062500 = 7891^2 + 4250^2 .

It is a cyclic number.

It is not a de Polignac number, because 80330381 - 2⁶ = 80330317 is a prime.

It is a super-2 number, since 2×80330381² = 12905940223210322, which contains 22 as substring.

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 80330381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80330581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40165190 + 40165191.

It is an arithmetic number, because the mean of its divisors is an integer number (40165191).

Almost surely, 2^80330381 is an apocalyptic number.

It is an amenable number.

80330381 is a deficient number, since it is larger than the sum of its proper divisors (1).

80330381 is an equidigital number, since it uses as much as digits as its factorization.

80330381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 80330381 is about 8962.7217406321. The cubic root of 80330381 is about 431.4792769196.

Adding to 80330381 its reverse (18303308), we get a palindrome (98633689).

The spelling of 80330381 in words is "eighty million, three hundred thirty thousand, three hundred eighty-one".