2061305 has 8 divisors (see below), whose sum is σ = 2503872. Its totient is φ = 1628848.

The previous prime is 2061289. The next prime is 2061313. The reversal of 2061305 is 5031602.

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

It is a cyclic number.

It is not a de Polignac number, because 2061305 - 2⁴ = 2061289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2069 + ... + 2898.

It is an arithmetic number, because the mean of its divisors is an integer number (312984).

2^2061305 is an apocalyptic number.

It is an amenable number.

2061305 is a deficient number, since it is larger than the sum of its proper divisors (442567).

2061305 is an equidigital number, since it uses as much as digits as its factorization.

2061305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 2061305 is about 1435.7245557557. The cubic root of 2061305 is about 127.2664955978.

Adding to 2061305 its reverse (5031602), we get a palindrome (7092907).

The spelling of 2061305 in words is "two million, sixty-one thousand, three hundred five".