4821109 has 2 divisors, whose sum is σ = 4821110. Its totient is φ = 4821108.

The previous prime is 4821101. The next prime is 4821127. The reversal of 4821109 is 9011284.

It is a happy number.

4821109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3724900 + 1096209 = 1930^2 + 1047^2 .

It is a cyclic number.

It is not a de Polignac number, because 4821109 - 2³ = 4821101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4821101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2410554 + 2410555.

It is an arithmetic number, because the mean of its divisors is an integer number (2410555).

Almost surely, 2^4821109 is an apocalyptic number.

It is an amenable number.

4821109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4821109 is an equidigital number, since it uses as much as digits as its factorization.

4821109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 4821109 is about 2195.7023933129. The cubic root of 4821109 is about 168.9334495152.

The spelling of 4821109 in words is "four million, eight hundred twenty-one thousand, one hundred nine".