6545145263 has 2 divisors, whose sum is σ = 6545145264. Its totient is φ = 6545145262.

The previous prime is 6545145209. The next prime is 6545145281. The reversal of 6545145263 is 3625415456.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6545145263 - 2¹⁰ = 6545144239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6545145263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6545145293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3272572631 + 3272572632.

It is an arithmetic number, because the mean of its divisors is an integer number (3272572632).

Almost surely, 2^6545145263 is an apocalyptic number.

6545145263 is a deficient number, since it is larger than the sum of its proper divisors (1).

6545145263 is an equidigital number, since it uses as much as digits as its factorization.

6545145263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432000, while the sum is 41.

The square root of 6545145263 is about 80902.0720562830. The cubic root of 6545145263 is about 1870.5662600179.

The spelling of 6545145263 in words is "six billion, five hundred forty-five million, one hundred forty-five thousand, two hundred sixty-three".