63616001 has 2 divisors, whose sum is σ = 63616002. Its totient is φ = 63616000.

The previous prime is 63615977. The next prime is 63616019. The reversal of 63616001 is 10061636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63600625 + 15376 = 7975^2 + 124^2 .

It is a cyclic number.

It is not a de Polignac number, because 63616001 - 2¹⁰ = 63614977 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 (63616901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31808000 + 31808001.

It is an arithmetic number, because the mean of its divisors is an integer number (31808001).

Almost surely, 2^63616001 is an apocalyptic number.

It is an amenable number.

63616001 is a deficient number, since it is larger than the sum of its proper divisors (1).

63616001 is an equidigital number, since it uses as much as digits as its factorization.

63616001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 63616001 is about 7975.9639542816. The cubic root of 63616001 is about 399.1983967369.

Adding to 63616001 its reverse (10061636), we get a palindrome (73677637).

The spelling of 63616001 in words is "sixty-three million, six hundred sixteen thousand, one".