3565537 has 2 divisors, whose sum is σ = 3565538. Its totient is φ = 3565536.

The previous prime is 3565531. The next prime is 3565543. The reversal of 3565537 is 7355653.

It is a balanced prime because it is at equal distance from previous prime (3565531) and next prime (3565543).

It can be written as a sum of positive squares in only one way, i.e., 2819041 + 746496 = 1679^2 + 864^2 .

It is a cyclic number.

It is not a de Polignac number, because 3565537 - 2⁷ = 3565409 is a prime.

It is an Ulam number.

3565537 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3565531) 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, 1782768 + 1782769.

It is an arithmetic number, because the mean of its divisors is an integer number (1782769).

Almost surely, 2^3565537 is an apocalyptic number.

It is an amenable number.

3565537 is a deficient number, since it is larger than the sum of its proper divisors (1).

3565537 is an equidigital number, since it uses as much as digits as its factorization.

3565537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47250, while the sum is 34.

The square root of 3565537 is about 1888.2629583827. The cubic root of 3565537 is about 152.7712560032.

The spelling of 3565537 in words is "three million, five hundred sixty-five thousand, five hundred thirty-seven".