104675981 has 2 divisors, whose sum is σ = 104675982. Its totient is φ = 104675980.

The previous prime is 104675969. The next prime is 104676029. The reversal of 104675981 is 189576401.

104675981 = 7234² + 7235².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52345225 + 52330756 = 7235^2 + 7234^2 .

It is a cyclic number.

It is not a de Polignac number, because 104675981 - 2¹⁰ = 104674957 is a prime.

It is a super-2 number, since 2×104675981² = 21914121996624722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen 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 (104675951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52337990 + 52337991.

It is an arithmetic number, because the mean of its divisors is an integer number (52337991).

Almost surely, 2^104675981 is an apocalyptic number.

104675981 is the 7235-th centered square number.

It is an amenable number.

104675981 is a deficient number, since it is larger than the sum of its proper divisors (1).

104675981 is an equidigital number, since it uses as much as digits as its factorization.

104675981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 104675981 is about 10231.1280414234. The cubic root of 104675981 is about 471.2836210232.

The spelling of 104675981 in words is "one hundred four million, six hundred seventy-five thousand, nine hundred eighty-one".