6545012032 has 56 divisors (see below), whose sum is σ = 13998357576. Its totient is φ = 3018283008.

The previous prime is 6545012017. The next prime is 6545012041. The reversal of 6545012032 is 2302105456.

It can be written as a sum of positive squares in 4 ways, for example, as 136048896 + 6408963136 = 11664^2 + 80056^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1339578 + ... + 1344454.

It is an arithmetic number, because the mean of its divisors is an integer number (249970671).

Almost surely, 2^6545012032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6545012032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6999178788).

6545012032 is an abundant number, since it is smaller than the sum of its proper divisors (7453345544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6545012032 is a wasteful number, since it uses less digits than its factorization.

6545012032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6515 (or 6505 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 6545012032 is about 80901.2486430216. The cubic root of 6545012032 is about 1870.5535677045.

Adding to 6545012032 its reverse (2302105456), we get a palindrome (8847117488).

The spelling of 6545012032 in words is "six billion, five hundred forty-five million, twelve thousand, thirty-two".