163463257 has 2 divisors, whose sum is σ = 163463258. Its totient is φ = 163463256.

The previous prime is 163463243. The next prime is 163463291. The reversal of 163463257 is 752364361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163098441 + 364816 = 12771^2 + 604^2 .

It is a cyclic number.

It is not a de Polignac number, because 163463257 - 2¹¹ = 163461209 is a prime.

It is a super-3 number, since 3×163463257³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (163463207) 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, 81731628 + 81731629.

It is an arithmetic number, because the mean of its divisors is an integer number (81731629).

Almost surely, 2^163463257 is an apocalyptic number.

It is an amenable number.

163463257 is a deficient number, since it is larger than the sum of its proper divisors (1).

163463257 is an equidigital number, since it uses as much as digits as its factorization.

163463257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 37.

The square root of 163463257 is about 12785.2750068194. The cubic root of 163463257 is about 546.7725660314.

The spelling of 163463257 in words is "one hundred sixty-three million, four hundred sixty-three thousand, two hundred fifty-seven".