3648413 has 2 divisors, whose sum is σ = 3648414. Its totient is φ = 3648412.

The previous prime is 3648409. The next prime is 3648419. The reversal of 3648413 is 3148463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3452164 + 196249 = 1858^2 + 443^2 .

It is an emirp because it is prime and its reverse (3148463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3648413 - 2² = 3648409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3648419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824206 + 1824207.

It is an arithmetic number, because the mean of its divisors is an integer number (1824207).

Almost surely, 2^3648413 is an apocalyptic number.

It is an amenable number.

3648413 is a deficient number, since it is larger than the sum of its proper divisors (1).

3648413 is an equidigital number, since it uses as much as digits as its factorization.

3648413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 29.

The square root of 3648413 is about 1910.0819354153. The cubic root of 3648413 is about 153.9458543556.

The spelling of 3648413 in words is "three million, six hundred forty-eight thousand, four hundred thirteen".