80372231 has 2 divisors, whose sum is σ = 80372232. Its totient is φ = 80372230.

The previous prime is 80372183. The next prime is 80372233. The reversal of 80372231 is 13227308.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80372231 is a prime.

It is a super-2 number, since 2×80372231² = 12919391031834722, which contains 22 as substring.

Together with 80372233, it forms a pair of twin primes.

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 80372231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80372233) 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, 40186115 + 40186116.

It is an arithmetic number, because the mean of its divisors is an integer number (40186116).

Almost surely, 2^80372231 is an apocalyptic number.

80372231 is a deficient number, since it is larger than the sum of its proper divisors (1).

80372231 is an equidigital number, since it uses as much as digits as its factorization.

80372231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 80372231 is about 8965.0561069075. The cubic root of 80372231 is about 431.5541936680.

Adding to 80372231 its reverse (13227308), we get a palindrome (93599539).

The spelling of 80372231 in words is "eighty million, three hundred seventy-two thousand, two hundred thirty-one".