104569321 has 2 divisors, whose sum is σ = 104569322. Its totient is φ = 104569320.

The previous prime is 104569319. The next prime is 104569327. The reversal of 104569321 is 123965401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82101721 + 22467600 = 9061^2 + 4740^2 .

It is a cyclic number.

It is not a de Polignac number, because 104569321 - 2¹ = 104569319 is a prime.

Together with 104569319, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104569327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52284660 + 52284661.

It is an arithmetic number, because the mean of its divisors is an integer number (52284661).

Almost surely, 2^104569321 is an apocalyptic number.

It is an amenable number.

104569321 is a deficient number, since it is larger than the sum of its proper divisors (1).

104569321 is an equidigital number, since it uses as much as digits as its factorization.

104569321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 104569321 is about 10225.9141889613. The cubic root of 104569321 is about 471.1234945278.

The spelling of 104569321 in words is "one hundred four million, five hundred sixty-nine thousand, three hundred twenty-one".