104665541 has 2 divisors, whose sum is σ = 104665542. Its totient is φ = 104665540.

The previous prime is 104665537. The next prime is 104665543. The reversal of 104665541 is 145566401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89680900 + 14984641 = 9470^2 + 3871^2 .

It is a cyclic number.

It is not a de Polignac number, because 104665541 - 2² = 104665537 is a prime.

Together with 104665543, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 104665498 and 104665507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104665543) 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, 52332770 + 52332771.

It is an arithmetic number, because the mean of its divisors is an integer number (52332771).

Almost surely, 2^104665541 is an apocalyptic number.

It is an amenable number.

104665541 is a deficient number, since it is larger than the sum of its proper divisors (1).

104665541 is an equidigital number, since it uses as much as digits as its factorization.

104665541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 104665541 is about 10230.6178210311. The cubic root of 104665541 is about 471.2679524666.

The spelling of 104665541 in words is "one hundred four million, six hundred sixty-five thousand, five hundred forty-one".