2565301063 has 4 divisors (see below), whose sum is σ = 2762631928. Its totient is φ = 2367970200.

The previous prime is 2565301051. The next prime is 2565301087. The reversal of 2565301063 is 3601035652.

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

It is a cyclic number.

It is not a de Polignac number, because 2565301063 - 2¹³ = 2565292871 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 (2565301043) 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, 98665413 + ... + 98665438.

It is an arithmetic number, because the mean of its divisors is an integer number (690657982).

Almost surely, 2^2565301063 is an apocalyptic number.

2565301063 is a deficient number, since it is larger than the sum of its proper divisors (197330865).

2565301063 is a wasteful number, since it uses less digits than its factorization.

2565301063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197330864.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 2565301063 is about 50648.8012000284. The cubic root of 2565301063 is about 1368.9243449012.

The spelling of 2565301063 in words is "two billion, five hundred sixty-five million, three hundred one thousand, sixty-three".