63147157 has 2 divisors, whose sum is σ = 63147158. Its totient is φ = 63147156.

The previous prime is 63147113. The next prime is 63147173. The reversal of 63147157 is 75174136.

63147157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37075921 + 26071236 = 6089^2 + 5106^2 .

It is a cyclic number.

It is not a de Polignac number, because 63147157 - 2¹⁹ = 62622869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63147757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31573578 + 31573579.

It is an arithmetic number, because the mean of its divisors is an integer number (31573579).

Almost surely, 2^63147157 is an apocalyptic number.

It is an amenable number.

63147157 is a deficient number, since it is larger than the sum of its proper divisors (1).

63147157 is an equidigital number, since it uses as much as digits as its factorization.

63147157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 34.

The square root of 63147157 is about 7946.5185458791. The cubic root of 63147157 is about 398.2152926421.

The spelling of 63147157 in words is "sixty-three million, one hundred forty-seven thousand, one hundred fifty-seven".