2664413 has 4 divisors (see below), whose sum is σ = 2668380. Its totient is φ = 2660448.

The previous prime is 2664401. The next prime is 2664439. The reversal of 2664413 is 3144662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3144662 = 2 ⋅1572331.

It can be written as a sum of positive squares in 2 ways, for example, as 1545049 + 1119364 = 1243^2 + 1058^2 .

It is a cyclic number.

It is not a de Polignac number, because 2664413 - 2⁴ = 2664397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664443) 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 in 3 ways as a sum of consecutive naturals, for example, 698 + ... + 2411.

It is an arithmetic number, because the mean of its divisors is an integer number (667095).

2^2664413 is an apocalyptic number.

It is an amenable number.

2664413 is a deficient number, since it is larger than the sum of its proper divisors (3967).

2664413 is an equidigital number, since it uses as much as digits as its factorization.

2664413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966.

The product of its digits is 3456, while the sum is 26.

The square root of 2664413 is about 1632.3029743280. The cubic root of 2664413 is about 138.6331787302.

Subtracting 2664413 from its reverse (3144662), we obtain a square (480249 = 693²).

The spelling of 2664413 in words is "two million, six hundred sixty-four thousand, four hundred thirteen".