80612449 has 2 divisors, whose sum is σ = 80612450. Its totient is φ = 80612448.

The previous prime is 80612429. The next prime is 80612479. The reversal of 80612449 is 94421608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78004224 + 2608225 = 8832^2 + 1615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80612449 is a prime.

It is not a weakly prime, because it can be changed into another prime (80612429) 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, 40306224 + 40306225.

It is an arithmetic number, because the mean of its divisors is an integer number (40306225).

Almost surely, 2^80612449 is an apocalyptic number.

It is an amenable number.

80612449 is a deficient number, since it is larger than the sum of its proper divisors (1).

80612449 is an equidigital number, since it uses as much as digits as its factorization.

80612449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 80612449 is about 8978.4435733595. The cubic root of 80612449 is about 431.9837117344.

The spelling of 80612449 in words is "eighty million, six hundred twelve thousand, four hundred forty-nine".