104561651 has 2 divisors, whose sum is σ = 104561652. Its totient is φ = 104561650.

The previous prime is 104561641. The next prime is 104561659. The reversal of 104561651 is 156165401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104561651 - 2¹⁰ = 104560627 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104561659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52280825 + 52280826.

It is an arithmetic number, because the mean of its divisors is an integer number (52280826).

Almost surely, 2^104561651 is an apocalyptic number.

104561651 is a deficient number, since it is larger than the sum of its proper divisors (1).

104561651 is an equidigital number, since it uses as much as digits as its factorization.

104561651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 104561651 is about 10225.5391544896. The cubic root of 104561651 is about 471.1119755165. Note that the first 3 decimals are identical.

The spelling of 104561651 in words is "one hundred four million, five hundred sixty-one thousand, six hundred fifty-one".