104545321 has 2 divisors, whose sum is σ = 104545322. Its totient is φ = 104545320.

The previous prime is 104545297. The next prime is 104545349. The reversal of 104545321 is 123545401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60840000 + 43705321 = 7800^2 + 6611^2 .

It is a cyclic number.

It is not a de Polignac number, because 104545321 - 2¹¹ = 104543273 is a prime.

It is a super-3 number, since 3×104545321³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (104545381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52272660 + 52272661.

It is an arithmetic number, because the mean of its divisors is an integer number (52272661).

Almost surely, 2^104545321 is an apocalyptic number.

It is an amenable number.

104545321 is a deficient number, since it is larger than the sum of its proper divisors (1).

104545321 is an equidigital number, since it uses as much as digits as its factorization.

104545321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 104545321 is about 10224.7406324073. The cubic root of 104545321 is about 471.0874488090.

The spelling of 104545321 in words is "one hundred four million, five hundred forty-five thousand, three hundred twenty-one".