2565474805 has 16 divisors (see below), whose sum is σ = 3174474240. Its totient is φ = 1989377728.

The previous prime is 2565474761. The next prime is 2565474817. The reversal of 2565474805 is 5084745652.

2565474805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2565474805 - 2²¹ = 2563377653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36325 + ... + 80314.

It is an arithmetic number, because the mean of its divisors is an integer number (198404640).

Almost surely, 2^2565474805 is an apocalyptic number.

It is an amenable number.

2565474805 is a deficient number, since it is larger than the sum of its proper divisors (608999435).

2565474805 is a wasteful number, since it uses less digits than its factorization.

2565474805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116780.

The product of its (nonzero) digits is 1344000, while the sum is 46.

The square root of 2565474805 is about 50650.5163349793. The cubic root of 2565474805 is about 1368.9552489132.

The spelling of 2565474805 in words is "two billion, five hundred sixty-five million, four hundred seventy-four thousand, eight hundred five".