3260509 has 6 divisors (see below), whose sum is σ = 3792894. Its totient is φ = 2794680.

The previous prime is 3260501. The next prime is 3260513. The reversal of 3260509 is 9050623.

It can be written as a sum of positive squares in only one way, i.e., 3161284 + 99225 = 1778^2 + 315^2 .

It is not a de Polignac number, because 3260509 - 2³ = 3260501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3260501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33222 + ... + 33319.

It is an arithmetic number, because the mean of its divisors is an integer number (632149).

Almost surely, 2^3260509 is an apocalyptic number.

It is an amenable number.

3260509 is a deficient number, since it is larger than the sum of its proper divisors (532385).

3260509 is an equidigital number, since it uses as much as digits as its factorization.

3260509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66555 (or 66548 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 3260509 is about 1805.6879575386. The cubic root of 3260509 is about 148.2842873942.

The spelling of 3260509 in words is "three million, two hundred sixty thousand, five hundred nine".