6545251233 has 12 divisors (see below), whose sum is σ = 9951844240. Its totient is φ = 4133842776.

The previous prime is 6545251217. The next prime is 6545251319. The reversal of 6545251233 is 3321525456.

6545251233 is a `hidden beast` number, since 6 + 5 + 4 + 525 + 123 + 3 = 666.

It is not a de Polignac number, because 6545251233 - 2⁴ = 6545251217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6545251213) 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 11 ways as a sum of consecutive naturals, for example, 19137991 + ... + 19138332.

Almost surely, 2^6545251233 is an apocalyptic number.

It is an amenable number.

6545251233 is a deficient number, since it is larger than the sum of its proper divisors (3406593007).

6545251233 is a wasteful number, since it uses less digits than its factorization.

6545251233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38276348 (or 38276345 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 6545251233 is about 80902.7269812335. The cubic root of 6545251233 is about 1870.5763551764.

Adding to 6545251233 its reverse (3321525456), we get a palindrome (9866776689).

The spelling of 6545251233 in words is "six billion, five hundred forty-five million, two hundred fifty-one thousand, two hundred thirty-three".