3507643 has 2 divisors, whose sum is σ = 3507644. Its totient is φ = 3507642.

The previous prime is 3507641. The next prime is 3507649. The reversal of 3507643 is 3467053.

It is a weak prime.

It is an emirp because it is prime and its reverse (3467053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3507643 - 2¹ = 3507641 is a prime.

Together with 3507641, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3507641) 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, 1753821 + 1753822.

It is an arithmetic number, because the mean of its divisors is an integer number (1753822).

Almost surely, 2^3507643 is an apocalyptic number.

3507643 is a deficient number, since it is larger than the sum of its proper divisors (1).

3507643 is an equidigital number, since it uses as much as digits as its factorization.

3507643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 3507643 is about 1872.8702571187. The cubic root of 3507643 is about 151.9398856237.

The spelling of 3507643 in words is "three million, five hundred seven thousand, six hundred forty-three".