3562681 has 2 divisors, whose sum is σ = 3562682. Its totient is φ = 3562680.

The previous prime is 3562661. The next prime is 3562711. The reversal of 3562681 is 1862653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3549456 + 13225 = 1884^2 + 115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3562681 is a prime.

It is a super-2 number, since 2×3562681² = 25385391815522, which contains 22 as substring.

It is a Chen prime.

3562681 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3562651) 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 as a sum of consecutive naturals, namely, 1781340 + 1781341.

It is an arithmetic number, because the mean of its divisors is an integer number (1781341).

Almost surely, 2^3562681 is an apocalyptic number.

It is an amenable number.

3562681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3562681 is an equidigital number, since it uses as much as digits as its factorization.

3562681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 3562681 is about 1887.5065562800. The cubic root of 3562681 is about 152.7304551126.

The spelling of 3562681 in words is "three million, five hundred sixty-two thousand, six hundred eighty-one".