3294521 has 4 divisors (see below), whose sum is σ = 3298932. Its totient is φ = 3290112.

The previous prime is 3294509. The next prime is 3294523. The reversal of 3294521 is 1254923.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1254923 = 17 ⋅73819.

It can be written as a sum of positive squares in 2 ways, for example, as 525625 + 2768896 = 725^2 + 1664^2 .

It is a cyclic number.

It is not a de Polignac number, because 3294521 - 2¹⁰ = 3293497 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3294523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776 + ... + 2681.

It is an arithmetic number, because the mean of its divisors is an integer number (824733).

Almost surely, 2^3294521 is an apocalyptic number.

It is an amenable number.

3294521 is a deficient number, since it is larger than the sum of its proper divisors (4411).

3294521 is an equidigital number, since it uses as much as digits as its factorization.

3294521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410.

The product of its digits is 2160, while the sum is 26.

The square root of 3294521 is about 1815.0815408681. The cubic root of 3294521 is about 148.7981140403.

The spelling of 3294521 in words is "three million, two hundred ninety-four thousand, five hundred twenty-one".