4104509 has 2 divisors, whose sum is σ = 4104510. Its totient is φ = 4104508.

The previous prime is 4104491. The next prime is 4104517. The reversal of 4104509 is 9054014.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2788900 + 1315609 = 1670^2 + 1147^2 .

It is a cyclic number.

It is not a de Polignac number, because 4104509 - 2¹² = 4100413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4124509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2052254 + 2052255.

It is an arithmetic number, because the mean of its divisors is an integer number (2052255).

Almost surely, 2^4104509 is an apocalyptic number.

It is an amenable number.

4104509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4104509 is an equidigital number, since it uses as much as digits as its factorization.

4104509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 4104509 is about 2025.9587853656. The cubic root of 4104509 is about 160.1107176382.

The spelling of 4104509 in words is "four million, one hundred four thousand, five hundred nine".