3780653 has 2 divisors, whose sum is σ = 3780654. Its totient is φ = 3780652.

The previous prime is 3780619. The next prime is 3780709. The reversal of 3780653 is 3560873.

It is a happy number.

3780653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3161284 + 619369 = 1778^2 + 787^2 .

It is a cyclic number.

It is not a de Polignac number, because 3780653 - 2⁶ = 3780589 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3780053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890326 + 1890327.

It is an arithmetic number, because the mean of its divisors is an integer number (1890327).

Almost surely, 2^3780653 is an apocalyptic number.

It is an amenable number.

3780653 is a deficient number, since it is larger than the sum of its proper divisors (1).

3780653 is an equidigital number, since it uses as much as digits as its factorization.

3780653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 3780653 is about 1944.3901357495. The cubic root of 3780653 is about 155.7837926413.

The spelling of 3780653 in words is "three million, seven hundred eighty thousand, six hundred fifty-three".