104957581 has 8 divisors (see below), whose sum is σ = 107896824. Its totient is φ = 102036480.

The previous prime is 104957569. The next prime is 104957591. The reversal of 104957581 is 185759401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10692900 + 94264681 = 3270^2 + 9709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104957581 - 2⁵ = 104957549 is a prime.

It is a super-2 number, since 2×104957581² = 22032187618743122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104957521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7645 + ... + 16381.

It is an arithmetic number, because the mean of its divisors is an integer number (13487103).

Almost surely, 2^104957581 is an apocalyptic number.

It is an amenable number.

104957581 is a deficient number, since it is larger than the sum of its proper divisors (2939243).

104957581 is an equidigital number, since it uses as much as digits as its factorization.

104957581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9071.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 104957581 is about 10244.8807216092. The cubic root of 104957581 is about 471.7058593600.

The spelling of 104957581 in words is "one hundred four million, nine hundred fifty-seven thousand, five hundred eighty-one".