663525012301 has 2 divisors, whose sum is σ = 663525012302. Its totient is φ = 663525012300.

The previous prime is 663525012299. The next prime is 663525012341. The reversal of 663525012301 is 103210525366.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 658897475625 + 4627536676 = 811725^2 + 68026^2 .

It is a cyclic number.

It is not a de Polignac number, because 663525012301 - 2¹ = 663525012299 is a prime.

Together with 663525012299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (663525012341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331762506150 + 331762506151.

It is an arithmetic number, because the mean of its divisors is an integer number (331762506151).

Almost surely, 2^663525012301 is an apocalyptic number.

It is an amenable number.

663525012301 is a deficient number, since it is larger than the sum of its proper divisors (1).

663525012301 is an equidigital number, since it uses as much as digits as its factorization.

663525012301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 663525012301 its reverse (103210525366), we get a palindrome (766735537667).

The spelling of 663525012301 in words is "six hundred sixty-three billion, five hundred twenty-five million, twelve thousand, three hundred one".