3321545 has 16 divisors (see below), whose sum is σ = 4406400. Its totient is φ = 2390784.

The previous prime is 3321541. The next prime is 3321551. The reversal of 3321545 is 5451233.

It is a cyclic number.

It is not a de Polignac number, because 3321545 - 2² = 3321541 is a prime.

It is a super-2 number, since 2×3321545² = 22065322374050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 3321545.

It is not an unprimeable number, because it can be changed into a prime (3321541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1106 + ... + 2804.

It is an arithmetic number, because the mean of its divisors is an integer number (275400).

Almost surely, 2^3321545 is an apocalyptic number.

It is an amenable number.

3321545 is a deficient number, since it is larger than the sum of its proper divisors (1084855).

3321545 is a wasteful number, since it uses less digits than its factorization.

3321545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744.

The product of its digits is 1800, while the sum is 23.

The square root of 3321545 is about 1822.5106309704. The cubic root of 3321545 is about 149.2038559141.

Adding to 3321545 its reverse (5451233), we get a palindrome (8772778).

The spelling of 3321545 in words is "three million, three hundred twenty-one thousand, five hundred forty-five".