64027001 has 2 divisors, whose sum is σ = 64027002. Its totient is φ = 64027000.

The previous prime is 64026973. The next prime is 64027013. The reversal of 64027001 is 10072046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59274601 + 4752400 = 7699^2 + 2180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64027001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64027801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32013500 + 32013501.

It is an arithmetic number, because the mean of its divisors is an integer number (32013501).

Almost surely, 2^64027001 is an apocalyptic number.

It is an amenable number.

64027001 is a deficient number, since it is larger than the sum of its proper divisors (1).

64027001 is an equidigital number, since it uses as much as digits as its factorization.

64027001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 64027001 is about 8001.6873845458. The cubic root of 64027001 is about 400.0562441744.

Adding to 64027001 its reverse (10072046), we get a palindrome (74099047).

The spelling of 64027001 in words is "sixty-four million, twenty-seven thousand, one".