2065406255 has 16 divisors (see below), whose sum is σ = 2705384448. Its totient is φ = 1501236000.

The previous prime is 2065406251. The next prime is 2065406293. The reversal of 2065406255 is 5526045602.

It is not a de Polignac number, because 2065406255 - 2² = 2065406251 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 (2065406251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92870 + ... + 112940.

It is an arithmetic number, because the mean of its divisors is an integer number (169086528).

Almost surely, 2^2065406255 is an apocalyptic number.

2065406255 is a deficient number, since it is larger than the sum of its proper divisors (639978193).

2065406255 is a wasteful number, since it uses less digits than its factorization.

2065406255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21958.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 2065406255 is about 45446.7408622445. The cubic root of 2065406255 is about 1273.5084452040.

The spelling of 2065406255 in words is "two billion, sixty-five million, four hundred six thousand, two hundred fifty-five".