63116957 has 2 divisors, whose sum is σ = 63116958. Its totient is φ = 63116956.

The previous prime is 63116953. The next prime is 63116959. The reversal of 63116957 is 75961136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34269316 + 28847641 = 5854^2 + 5371^2 .

It is a cyclic number.

It is not a de Polignac number, because 63116957 - 2² = 63116953 is a prime.

Together with 63116959, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63116957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63116951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31558478 + 31558479.

It is an arithmetic number, because the mean of its divisors is an integer number (31558479).

Almost surely, 2^63116957 is an apocalyptic number.

It is an amenable number.

63116957 is a deficient number, since it is larger than the sum of its proper divisors (1).

63116957 is an equidigital number, since it uses as much as digits as its factorization.

63116957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 38.

The square root of 63116957 is about 7944.6181154288. The cubic root of 63116957 is about 398.1518006335.

The spelling of 63116957 in words is "sixty-three million, one hundred sixteen thousand, nine hundred fifty-seven".