63703061 has 2 divisors, whose sum is σ = 63703062. Its totient is φ = 63703060.

The previous prime is 63703043. The next prime is 63703127. The reversal of 63703061 is 16030736.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34000561 + 29702500 = 5831^2 + 5450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63703061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63703061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63703021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31851530 + 31851531.

It is an arithmetic number, because the mean of its divisors is an integer number (31851531).

Almost surely, 2^63703061 is an apocalyptic number.

It is an amenable number.

63703061 is a deficient number, since it is larger than the sum of its proper divisors (1).

63703061 is an equidigital number, since it uses as much as digits as its factorization.

63703061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 63703061 is about 7981.4197358615. The cubic root of 63703061 is about 399.3804178738.

Adding to 63703061 its reverse (16030736), we get a palindrome (79733797).

The spelling of 63703061 in words is "sixty-three million, seven hundred three thousand, sixty-one".