3251565 has 24 divisors (see below), whose sum is σ = 5934240. Its totient is φ = 1642464.

The previous prime is 3251557. The next prime is 3251569. The reversal of 3251565 is 5651523.

It is not a de Polignac number, because 3251565 - 2³ = 3251557 is a prime.

3251565 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3251569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1047 + ... + 2756.

It is an arithmetic number, because the mean of its divisors is an integer number (247260).

Almost surely, 2^3251565 is an apocalyptic number.

It is an amenable number.

3251565 is a deficient number, since it is larger than the sum of its proper divisors (2682675).

3251565 is a wasteful number, since it uses less digits than its factorization.

3251565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3833 (or 3830 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 3251565 is about 1803.2096383948. The cubic root of 3251565 is about 148.1485755350.

The spelling of 3251565 in words is "three million, two hundred fifty-one thousand, five hundred sixty-five".