4302409 has 2 divisors, whose sum is σ = 4302410. Its totient is φ = 4302408.

The previous prime is 4302373. The next prime is 4302439. The reversal of 4302409 is 9042034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3717184 + 585225 = 1928^2 + 765^2 .

It is a cyclic number.

It is not a de Polignac number, because 4302409 - 2¹⁷ = 4171337 is a prime.

4302409 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4302409.

It is not a weakly prime, because it can be changed into another prime (4302439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2151204 + 2151205.

It is an arithmetic number, because the mean of its divisors is an integer number (2151205).

Almost surely, 2^4302409 is an apocalyptic number.

It is an amenable number.

4302409 is a deficient number, since it is larger than the sum of its proper divisors (1).

4302409 is an equidigital number, since it uses as much as digits as its factorization.

4302409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 4302409 is about 2074.2249154805. The cubic root of 4302409 is about 162.6436945933.

The spelling of 4302409 in words is "four million, three hundred two thousand, four hundred nine".