80100913 has 2 divisors, whose sum is σ = 80100914. Its totient is φ = 80100912.

The previous prime is 80100899. The next prime is 80100947. The reversal of 80100913 is 31900108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79441569 + 659344 = 8913^2 + 812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80100913 is a prime.

It is not a weakly prime, because it can be changed into another prime (80101913) 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, 40050456 + 40050457.

It is an arithmetic number, because the mean of its divisors is an integer number (40050457).

Almost surely, 2^80100913 is an apocalyptic number.

It is an amenable number.

80100913 is a deficient number, since it is larger than the sum of its proper divisors (1).

80100913 is an equidigital number, since it uses as much as digits as its factorization.

80100913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 80100913 is about 8949.9113403430. The cubic root of 80100913 is about 431.0680372706.

The spelling of 80100913 in words is "eighty million, one hundred thousand, nine hundred thirteen".