64200001 has 2 divisors, whose sum is σ = 64200002. Its totient is φ = 64200000.

The previous prime is 64199963. The next prime is 64200011. The reversal of 64200001 is 10000246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57017601 + 7182400 = 7551^2 + 2680^2 .

It is a cyclic number.

It is not a de Polignac number, because 64200001 - 2¹¹ = 64197953 is a prime.

It is not a weakly prime, because it can be changed into another prime (64200011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32100000 + 32100001.

It is an arithmetic number, because the mean of its divisors is an integer number (32100001).

Almost surely, 2^64200001 is an apocalyptic number.

It is an amenable number.

64200001 is a deficient number, since it is larger than the sum of its proper divisors (1).

64200001 is an equidigital number, since it uses as much as digits as its factorization.

64200001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 64200001 is about 8012.4903120066. The cubic root of 64200001 is about 400.4162354698.

Adding to 64200001 its reverse (10000246), we get a palindrome (74200247).

The spelling of 64200001 in words is "sixty-four million, two hundred thousand, one".