3036521 has 2 divisors, whose sum is σ = 3036522. Its totient is φ = 3036520.

The previous prime is 3036511. The next prime is 3036533. The reversal of 3036521 is 1256303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2689600 + 346921 = 1640^2 + 589^2 .

It is an emirp because it is prime and its reverse (1256303) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3036521 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 3036493 and 3036502.

It is not a weakly prime, because it can be changed into another prime (3036511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1518260 + 1518261.

It is an arithmetic number, because the mean of its divisors is an integer number (1518261).

Almost surely, 2^3036521 is an apocalyptic number.

It is an amenable number.

3036521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3036521 is an equidigital number, since it uses as much as digits as its factorization.

3036521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 3036521 is about 1742.5616201443. The cubic root of 3036521 is about 144.8078469390.

The spelling of 3036521 in words is "three million, thirty-six thousand, five hundred twenty-one".