2555306405 has 8 divisors (see below), whose sum is σ = 3097980312. Its totient is φ = 2023170048.

The previous prime is 2555306399. The next prime is 2555306419. The reversal of 2555306405 is 5046035552.

It can be written as a sum of positive squares in 4 ways, for example, as 2328676 + 2552977729 = 1526^2 + 50527^2 .

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 2555306405 - 2⁴ = 2555306389 is a prime.

It is a Duffinian number.

It is a congruent 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, 2633852 + ... + 2634821.

It is an arithmetic number, because the mean of its divisors is an integer number (387247539).

Almost surely, 2^2555306405 is an apocalyptic number.

It is an amenable number.

2555306405 is a deficient number, since it is larger than the sum of its proper divisors (542673907).

2555306405 is an equidigital number, since it uses as much as digits as its factorization.

2555306405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268775.

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 2555306405 is about 50550.0386251089. The cubic root of 2555306405 is about 1367.1442110323.

The spelling of 2555306405 in words is "two billion, five hundred fifty-five million, three hundred six thousand, four hundred five".