6545953 has 2 divisors, whose sum is σ = 6545954. Its totient is φ = 6545952.

The previous prime is 6545947. The next prime is 6545963. The reversal of 6545953 is 3595456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5531904 + 1014049 = 2352^2 + 1007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6545953 is a prime.

It is an Ulam number.

6545953 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6545923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3272976 + 3272977.

It is an arithmetic number, because the mean of its divisors is an integer number (3272977).

Almost surely, 2^6545953 is an apocalyptic number.

It is an amenable number.

6545953 is a deficient number, since it is larger than the sum of its proper divisors (1).

6545953 is an equidigital number, since it uses as much as digits as its factorization.

6545953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 37.

The square root of 6545953 is about 2558.5060093734. The cubic root of 6545953 is about 187.0643205773.

The spelling of 6545953 in words is "six million, five hundred forty-five thousand, nine hundred fifty-three".