6542652001 has 2 divisors, whose sum is σ = 6542652002. Its totient is φ = 6542652000.

The previous prime is 6542651989. The next prime is 6542652023. The reversal of 6542652001 is 1002562456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5321848401 + 1220803600 = 72951^2 + 34940^2 .

It is a cyclic number.

It is not a de Polignac number, because 6542652001 - 2²¹ = 6540554849 is a prime.

It is not a weakly prime, because it can be changed into another prime (6542650001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3271326000 + 3271326001.

It is an arithmetic number, because the mean of its divisors is an integer number (3271326001).

Almost surely, 2^6542652001 is an apocalyptic number.

It is an amenable number.

6542652001 is a deficient number, since it is larger than the sum of its proper divisors (1).

6542652001 is an equidigital number, since it uses as much as digits as its factorization.

6542652001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 6542652001 is about 80886.6614529244. The cubic root of 6542652001 is about 1870.3287096956.

The spelling of 6542652001 in words is "six billion, five hundred forty-two million, six hundred fifty-two thousand, one".