2013629 has 4 divisors (see below), whose sum is σ = 2051676. Its totient is φ = 1975584.

The previous prime is 2013619. The next prime is 2013653. The reversal of 2013629 is 9263102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9263102 = 2 ⋅4631551.

It can be written as a sum of positive squares in 2 ways, for example, as 597529 + 1416100 = 773^2 + 1190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2013629 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 (2013619) 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, 18944 + ... + 19049.

It is an arithmetic number, because the mean of its divisors is an integer number (512919).

2^2013629 is an apocalyptic number.

It is an amenable number.

2013629 is a deficient number, since it is larger than the sum of its proper divisors (38047).

2013629 is an equidigital number, since it uses as much as digits as its factorization.

2013629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38046.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2013629 is about 1419.0239603333. The cubic root of 2013629 is about 126.2776484229.

The spelling of 2013629 in words is "two million, thirteen thousand, six hundred twenty-nine".