2565245471 has 2 divisors, whose sum is σ = 2565245472. Its totient is φ = 2565245470.

The previous prime is 2565245437. The next prime is 2565245491. The reversal of 2565245471 is 1745425652.

2565245471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2565245471 - 2¹⁴ = 2565229087 is a prime.

It is a super-3 number, since 3×2565245471³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2565245491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282622735 + 1282622736.

It is an arithmetic number, because the mean of its divisors is an integer number (1282622736).

Almost surely, 2^2565245471 is an apocalyptic number.

2565245471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2565245471 is an equidigital number, since it uses as much as digits as its factorization.

2565245471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336000, while the sum is 41.

The square root of 2565245471 is about 50648.2523982812. The cubic root of 2565245471 is about 1368.9144562903.

The spelling of 2565245471 in words is "two billion, five hundred sixty-five million, two hundred forty-five thousand, four hundred seventy-one".