64988201 has 2 divisors, whose sum is σ = 64988202. Its totient is φ = 64988200.

The previous prime is 64988197. The next prime is 64988207. The reversal of 64988201 is 10288946.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50395801 + 14592400 = 7099^2 + 3820^2 .

It is a cyclic number.

It is not a de Polignac number, because 64988201 - 2² = 64988197 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (64988207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32494100 + 32494101.

It is an arithmetic number, because the mean of its divisors is an integer number (32494101).

Almost surely, 2^64988201 is an apocalyptic number.

It is an amenable number.

64988201 is a deficient number, since it is larger than the sum of its proper divisors (1).

64988201 is an equidigital number, since it uses as much as digits as its factorization.

64988201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 64988201 is about 8061.5259721718. The cubic root of 64988201 is about 402.0482459030.

The spelling of 64988201 in words is "sixty-four million, nine hundred eighty-eight thousand, two hundred one".