3649313 has 2 divisors, whose sum is σ = 3649314. Its totient is φ = 3649312.

The previous prime is 3649307. The next prime is 3649337. The reversal of 3649313 is 3139463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2226064 + 1423249 = 1492^2 + 1193^2 .

It is a cyclic number.

It is not a de Polignac number, because 3649313 - 2⁴ = 3649297 is a prime.

It is not a weakly prime, because it can be changed into another prime (3649363) 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, 1824656 + 1824657.

It is an arithmetic number, because the mean of its divisors is an integer number (1824657).

Almost surely, 2^3649313 is an apocalyptic number.

It is an amenable number.

3649313 is a deficient number, since it is larger than the sum of its proper divisors (1).

3649313 is an equidigital number, since it uses as much as digits as its factorization.

3649313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 29.

The square root of 3649313 is about 1910.3175128758. The cubic root of 3649313 is about 153.9585119026.

The spelling of 3649313 in words is "three million, six hundred forty-nine thousand, three hundred thirteen".