2043613 has 16 divisors (see below), whose sum is σ = 2483712. Its totient is φ = 1656000.

The previous prime is 2043599. The next prime is 2043617. The reversal of 2043613 is 3163402.

It is a cyclic number.

It is not a de Polignac number, because 2043613 - 2⁹ = 2043101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4203 + ... + 4663.

It is an arithmetic number, because the mean of its divisors is an integer number (155232).

2^2043613 is an apocalyptic number.

It is an amenable number.

2043613 is a deficient number, since it is larger than the sum of its proper divisors (440099).

2043613 is a wasteful number, since it uses less digits than its factorization.

2043613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2043613 is about 1429.5499291735. The cubic root of 2043613 is about 126.9013431836.

It can be divided in two parts, 20436 and 13, that added together give a square (20449 = 143²).

The spelling of 2043613 in words is "two million, forty-three thousand, six hundred thirteen".