2920265 has 4 divisors (see below), whose sum is σ = 3504324. Its totient is φ = 2336208.

The previous prime is 2920249. The next prime is 2920273. The reversal of 2920265 is 5620292.

2920265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1692601 + 1227664 = 1301^2 + 1108^2 .

It is a cyclic number.

It is not a de Polignac number, because 2920265 - 2⁴ = 2920249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292022 + ... + 292031.

It is an arithmetic number, because the mean of its divisors is an integer number (876081).

2^2920265 is an apocalyptic number.

It is an amenable number.

2920265 is a deficient number, since it is larger than the sum of its proper divisors (584059).

2920265 is an equidigital number, since it uses as much as digits as its factorization.

2920265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584058.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2920265 is about 1708.8782870644. The cubic root of 2920265 is about 142.9357136832.

The spelling of 2920265 in words is "two million, nine hundred twenty thousand, two hundred sixty-five".