2066413 has 4 divisors (see below), whose sum is σ = 2122300. Its totient is φ = 2010528.

The previous prime is 2066399. The next prime is 2066419. The reversal of 2066413 is 3146602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3146602 = 2 ⋅1573301.

It can be written as a sum of positive squares in 2 ways, for example, as 1814409 + 252004 = 1347^2 + 502^2 .

It is a cyclic number.

It is not a de Polignac number, because 2066413 - 2¹⁷ = 1935341 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 (2066419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27888 + ... + 27961.

It is an arithmetic number, because the mean of its divisors is an integer number (530575).

2^2066413 is an apocalyptic number.

It is an amenable number.

2066413 is a deficient number, since it is larger than the sum of its proper divisors (55887).

2066413 is an equidigital number, since it uses as much as digits as its factorization.

2066413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55886.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2066413 is about 1437.5023478242. The cubic root of 2066413 is about 127.3715327829.

The spelling of 2066413 in words is "two million, sixty-six thousand, four hundred thirteen".