3135641 has 2 divisors, whose sum is σ = 3135642. Its totient is φ = 3135640.

The previous prime is 3135623. The next prime is 3135661. The reversal of 3135641 is 1465313.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2958400 + 177241 = 1720^2 + 421^2 .

It is an emirp because it is prime and its reverse (1465313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3135641 - 2¹⁴ = 3119257 is a prime.

It is not a weakly prime, because it can be changed into another prime (3135661) 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, 1567820 + 1567821.

It is an arithmetic number, because the mean of its divisors is an integer number (1567821).

Almost surely, 2^3135641 is an apocalyptic number.

It is an amenable number.

3135641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3135641 is an equidigital number, since it uses as much as digits as its factorization.

3135641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 23.

The square root of 3135641 is about 1770.7741245004. The cubic root of 3135641 is about 146.3666427679.

The spelling of 3135641 in words is "three million, one hundred thirty-five thousand, six hundred forty-one".