2620285 has 4 divisors (see below), whose sum is σ = 3144348. Its totient is φ = 2096224.

The previous prime is 2620283. The next prime is 2620301. The reversal of 2620285 is 5820262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1194649 + 1425636 = 1093^2 + 1194^2 .

It is a cyclic number.

It is not a de Polignac number, because 2620285 - 2¹ = 2620283 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 (2620283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262024 + ... + 262033.

It is an arithmetic number, because the mean of its divisors is an integer number (786087).

2^2620285 is an apocalyptic number.

It is an amenable number.

2620285 is a deficient number, since it is larger than the sum of its proper divisors (524063).

2620285 is an equidigital number, since it uses as much as digits as its factorization.

2620285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524062.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2620285 is about 1618.7294400239. The cubic root of 2620285 is about 137.8635667635.

The spelling of 2620285 in words is "two million, six hundred twenty thousand, two hundred eighty-five".