80366501 has 2 divisors, whose sum is σ = 80366502. Its totient is φ = 80366500.

The previous prime is 80366483. The next prime is 80366509. The reversal of 80366501 is 10566308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43217476 + 37149025 = 6574^2 + 6095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80366501 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80366509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40183250 + 40183251.

It is an arithmetic number, because the mean of its divisors is an integer number (40183251).

Almost surely, 2^80366501 is an apocalyptic number.

It is an amenable number.

80366501 is a deficient number, since it is larger than the sum of its proper divisors (1).

80366501 is an equidigital number, since it uses as much as digits as its factorization.

80366501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 80366501 is about 8964.7365270821. The cubic root of 80366501 is about 431.5439377862.

The spelling of 80366501 in words is "eighty million, three hundred sixty-six thousand, five hundred one".