6545487250 has 64 divisors (see below), whose sum is σ = 12780278784. Its totient is φ = 2507328000.

The previous prime is 6545487241. The next prime is 6545487259. The reversal of 6545487250 is 527845456.

It is an interprime number because it is at equal distance from previous prime (6545487241) and next prime (6545487259).

It is a self number, because there is not a number n which added to its sum of digits gives 6545487250.

It is not an unprimeable number, because it can be changed into a prime (6545487259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 747397 + ... + 756103.

It is an arithmetic number, because the mean of its divisors is an integer number (199691856).

Almost surely, 2^6545487250 is an apocalyptic number.

6545487250 is a deficient number, since it is larger than the sum of its proper divisors (6234791534).

6545487250 is a wasteful number, since it uses less digits than its factorization.

6545487250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8852 (or 8842 counting only the distinct ones).

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

The square root of 6545487250 is about 80904.1856148370. The cubic root of 6545487250 is about 1870.5988387805.

The spelling of 6545487250 in words is "six billion, five hundred forty-five million, four hundred eighty-seven thousand, two hundred fifty".