4073609 has 2 divisors, whose sum is σ = 4073610. Its totient is φ = 4073608.

The previous prime is 4073593. The next prime is 4073621. The reversal of 4073609 is 9063704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3433609 + 640000 = 1853^2 + 800^2 .

It is a cyclic number.

It is not a de Polignac number, because 4073609 - 2⁴ = 4073593 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4073689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2036804 + 2036805.

It is an arithmetic number, because the mean of its divisors is an integer number (2036805).

Almost surely, 2^4073609 is an apocalyptic number.

It is an amenable number.

4073609 is a deficient number, since it is larger than the sum of its proper divisors (1).

4073609 is an equidigital number, since it uses as much as digits as its factorization.

4073609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 4073609 is about 2018.3183594270. The cubic root of 4073609 is about 159.7079176446.

The spelling of 4073609 in words is "four million, seventy-three thousand, six hundred nine".