63101257 has 2 divisors, whose sum is σ = 63101258. Its totient is φ = 63101256.

The previous prime is 63101251. The next prime is 63101287. The reversal of 63101257 is 75210136.

63101257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38390416 + 24710841 = 6196^2 + 4971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63101257 is a prime.

It is not a weakly prime, because it can be changed into another prime (63101251) 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, 31550628 + 31550629.

It is an arithmetic number, because the mean of its divisors is an integer number (31550629).

Almost surely, 2^63101257 is an apocalyptic number.

It is an amenable number.

63101257 is a deficient number, since it is larger than the sum of its proper divisors (1).

63101257 is an equidigital number, since it uses as much as digits as its factorization.

63101257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 63101257 is about 7943.6299636879. The cubic root of 63101257 is about 398.1187851971.

The spelling of 63101257 in words is "sixty-three million, one hundred one thousand, two hundred fifty-seven".