80414921 has 2 divisors, whose sum is σ = 80414922. Its totient is φ = 80414920.

The previous prime is 80414903. The next prime is 80414927. The reversal of 80414921 is 12941408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77246521 + 3168400 = 8789^2 + 1780^2 .

It is a cyclic number.

It is not a de Polignac number, because 80414921 - 2⁶ = 80414857 is a prime.

It is not a weakly prime, because it can be changed into another prime (80414927) 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, 40207460 + 40207461.

It is an arithmetic number, because the mean of its divisors is an integer number (40207461).

Almost surely, 2^80414921 is an apocalyptic number.

It is an amenable number.

80414921 is a deficient number, since it is larger than the sum of its proper divisors (1).

80414921 is an equidigital number, since it uses as much as digits as its factorization.

80414921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 80414921 is about 8967.4367017560. The cubic root of 80414921 is about 431.6305873322.

The spelling of 80414921 in words is "eighty million, four hundred fourteen thousand, nine hundred twenty-one".