104990617 has 2 divisors, whose sum is σ = 104990618. Its totient is φ = 104990616.

The previous prime is 104990603. The next prime is 104990651. The reversal of 104990617 is 716099401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60047001 + 44943616 = 7749^2 + 6704^2 .

It is an emirp because it is prime and its reverse (716099401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104990617 is a prime.

It is a super-2 number, since 2×104990617² = 22046059316081378, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104991617) 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 as a sum of consecutive naturals, namely, 52495308 + 52495309.

It is an arithmetic number, because the mean of its divisors is an integer number (52495309).

Almost surely, 2^104990617 is an apocalyptic number.

It is an amenable number.

104990617 is a deficient number, since it is larger than the sum of its proper divisors (1).

104990617 is an equidigital number, since it uses as much as digits as its factorization.

104990617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 104990617 is about 10246.4929122115. The cubic root of 104990617 is about 471.7553448757.

The spelling of 104990617 in words is "one hundred four million, nine hundred ninety thousand, six hundred seventeen".