3297561 has 12 divisors (see below), whose sum is σ = 4557072. Its totient is φ = 2120944.

The previous prime is 3297557. The next prime is 3297571. The reversal of 3297561 is 1657923.

It is not a de Polignac number, because 3297561 - 2² = 3297557 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 2⁷ + 9⁴ + 7⁵ + 5³ + 6⁸ + 1 .

It is a Curzon number.

3297561 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3297521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1870 + ... + 3176.

It is an arithmetic number, because the mean of its divisors is an integer number (379756).

Almost surely, 2^3297561 is an apocalyptic number.

It is an amenable number.

3297561 is a deficient number, since it is larger than the sum of its proper divisors (1259511).

3297561 is a wasteful number, since it uses less digits than its factorization.

3297561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368 (or 1339 counting only the distinct ones).

The product of its digits is 11340, while the sum is 33.

The square root of 3297561 is about 1815.9187757166. The cubic root of 3297561 is about 148.8438675004.

The spelling of 3297561 in words is "three million, two hundred ninety-seven thousand, five hundred sixty-one".