64512001 has 2 divisors, whose sum is σ = 64512002. Its totient is φ = 64512000.

The previous prime is 64511963. The next prime is 64512013. The reversal of 64512001 is 10021546.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62031376 + 2480625 = 7876^2 + 1575^2 .

It is a cyclic number.

It is not a de Polignac number, because 64512001 - 2¹⁹ = 63987713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64512001.

It is not a weakly prime, because it can be changed into another prime (64512031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32256000 + 32256001.

It is an arithmetic number, because the mean of its divisors is an integer number (32256001).

It is a Proth number, since it is equal to 7875 ⋅ 2¹³ + 1 and 7875 < 2¹³.

Almost surely, 2^64512001 is an apocalyptic number.

It is an amenable number.

64512001 is a deficient number, since it is larger than the sum of its proper divisors (1).

64512001 is an equidigital number, since it uses as much as digits as its factorization.

64512001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 64512001 is about 8031.9363169786. The cubic root of 64512001 is about 401.0638368695.

Adding to 64512001 its reverse (10021546), we get a palindrome (74533547).

The spelling of 64512001 in words is "sixty-four million, five hundred twelve thousand, one".