2030605 has 8 divisors (see below), whose sum is σ = 2461464. Its totient is φ = 1608000.

The previous prime is 2030591. The next prime is 2030617. The reversal of 2030605 is 5060302.

It can be written as a sum of positive squares in 4 ways, for example, as 232324 + 1798281 = 482^2 + 1341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2030605 - 2⁵ = 2030573 is a prime.

It is a Duffinian number.

2030605 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1506 + ... + 2515.

It is an arithmetic number, because the mean of its divisors is an integer number (307683).

2^2030605 is an apocalyptic number.

It is an amenable number.

2030605 is a deficient number, since it is larger than the sum of its proper divisors (430859).

2030605 is a wasteful number, since it uses less digits than its factorization.

2030605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4127.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 2030605 is about 1424.9929824389. The cubic root of 2030605 is about 126.6315191802.

Adding to 2030605 its reverse (5060302), we get a palindrome (7090907).

It can be divided in two parts, 20 and 30605, that added together give a square (30625 = 175²).

The spelling of 2030605 in words is "two million, thirty thousand, six hundred five".