63155117 has 2 divisors, whose sum is σ = 63155118. Its totient is φ = 63155116.

The previous prime is 63155111. The next prime is 63155123. The reversal of 63155117 is 71155136.

It is a balanced prime because it is at equal distance from previous prime (63155111) and next prime (63155123).

It can be written as a sum of positive squares in only one way, i.e., 62425801 + 729316 = 7901^2 + 854^2 .

It is a cyclic number.

It is not a de Polignac number, because 63155117 - 2⁴ = 63155101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63155117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63155111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31577558 + 31577559.

It is an arithmetic number, because the mean of its divisors is an integer number (31577559).

Almost surely, 2^63155117 is an apocalyptic number.

It is an amenable number.

63155117 is a deficient number, since it is larger than the sum of its proper divisors (1).

63155117 is an equidigital number, since it uses as much as digits as its factorization.

63155117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3150, while the sum is 29.

The square root of 63155117 is about 7947.0193783582. The cubic root of 63155117 is about 398.2320242507.

The spelling of 63155117 in words is "sixty-three million, one hundred fifty-five thousand, one hundred seventeen".