3257609 has 2 divisors, whose sum is σ = 3257610. Its totient is φ = 3257608.

The previous prime is 3257603. The next prime is 3257623. The reversal of 3257609 is 9067523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2958400 + 299209 = 1720^2 + 547^2 .

It is an emirp because it is prime and its reverse (9067523) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3257609 is a prime.

It is a super-2 number, since 2×3257609² = 21224032793762, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (3257603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1628804 + 1628805.

It is an arithmetic number, because the mean of its divisors is an integer number (1628805).

Almost surely, 2^3257609 is an apocalyptic number.

It is an amenable number.

3257609 is a deficient number, since it is larger than the sum of its proper divisors (1).

3257609 is an equidigital number, since it uses as much as digits as its factorization.

3257609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 3257609 is about 1804.8847608642. The cubic root of 3257609 is about 148.2403114394.

The spelling of 3257609 in words is "three million, two hundred fifty-seven thousand, six hundred nine".