2565474807 has 16 divisors (see below), whose sum is σ = 3910054400. Its totient is φ = 1465700832.

The previous prime is 2565474761. The next prime is 2565474817. The reversal of 2565474807 is 7084745652.

It is not a de Polignac number, because 2565474807 - 2¹² = 2565470711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565474817) 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 15 ways as a sum of consecutive naturals, for example, 150438 + ... + 166620.

It is an arithmetic number, because the mean of its divisors is an integer number (244378400).

Almost surely, 2^2565474807 is an apocalyptic number.

2565474807 is a deficient number, since it is larger than the sum of its proper divisors (1344579593).

2565474807 is a wasteful number, since it uses less digits than its factorization.

2565474807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23742.

The product of its (nonzero) digits is 1881600, while the sum is 48.

The square root of 2565474807 is about 50650.5163547224. The cubic root of 2565474807 is about 1368.9552492689.

The spelling of 2565474807 in words is "two billion, five hundred sixty-five million, four hundred seventy-four thousand, eight hundred seven".