63117701 has 2 divisors, whose sum is σ = 63117702. Its totient is φ = 63117700.

The previous prime is 63117683. The next prime is 63117707. The reversal of 63117701 is 10771136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56640676 + 6477025 = 7526^2 + 2545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63117701 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63117707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31558850 + 31558851.

It is an arithmetic number, because the mean of its divisors is an integer number (31558851).

Almost surely, 2^63117701 is an apocalyptic number.

It is an amenable number.

63117701 is a deficient number, since it is larger than the sum of its proper divisors (1).

63117701 is an equidigital number, since it uses as much as digits as its factorization.

63117701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 63117701 is about 7944.6649394421. The cubic root of 63117701 is about 398.1533650508.

Adding to 63117701 its reverse (10771136), we get a palindrome (73888837).

The spelling of 63117701 in words is "sixty-three million, one hundred seventeen thousand, seven hundred one".