104571749 has 2 divisors, whose sum is σ = 104571750. Its totient is φ = 104571748.

The previous prime is 104571721. The next prime is 104571781. The reversal of 104571749 is 947175401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88491649 + 16080100 = 9407^2 + 4010^2 .

It is an emirp because it is prime and its reverse (947175401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104571749 - 2¹² = 104567653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104571349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52285874 + 52285875.

It is an arithmetic number, because the mean of its divisors is an integer number (52285875).

Almost surely, 2^104571749 is an apocalyptic number.

It is an amenable number.

104571749 is a deficient number, since it is larger than the sum of its proper divisors (1).

104571749 is an equidigital number, since it uses as much as digits as its factorization.

104571749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 104571749 is about 10226.0329062643. The cubic root of 104571749 is about 471.1271408458.

The spelling of 104571749 in words is "one hundred four million, five hundred seventy-one thousand, seven hundred forty-nine".