104591549 has 2 divisors, whose sum is σ = 104591550. Its totient is φ = 104591548.

The previous prime is 104591519. The next prime is 104591567. The reversal of 104591549 is 945195401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83265625 + 21325924 = 9125^2 + 4618^2 .

It is a cyclic number.

It is not a de Polignac number, because 104591549 - 2¹² = 104587453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104591519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52295774 + 52295775.

It is an arithmetic number, because the mean of its divisors is an integer number (52295775).

Almost surely, 2^104591549 is an apocalyptic number.

It is an amenable number.

104591549 is a deficient number, since it is larger than the sum of its proper divisors (1).

104591549 is an equidigital number, since it uses as much as digits as its factorization.

104591549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 104591549 is about 10227.0009778038. Note that the first 3 decimals coincide. The cubic root of 104591549 is about 471.1568739518.

The spelling of 104591549 in words is "one hundred four million, five hundred ninety-one thousand, five hundred forty-nine".