163410257 has 2 divisors, whose sum is σ = 163410258. Its totient is φ = 163410256.

The previous prime is 163410229. The next prime is 163410283. The reversal of 163410257 is 752014361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104673361 + 58736896 = 10231^2 + 7664^2 .

It is a cyclic number.

It is not a de Polignac number, because 163410257 - 2¹² = 163406161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (163410227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81705128 + 81705129.

It is an arithmetic number, because the mean of its divisors is an integer number (81705129).

Almost surely, 2^163410257 is an apocalyptic number.

It is an amenable number.

163410257 is a deficient number, since it is larger than the sum of its proper divisors (1).

163410257 is an equidigital number, since it uses as much as digits as its factorization.

163410257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 163410257 is about 12783.2021418735. The cubic root of 163410257 is about 546.7134659436.

The spelling of 163410257 in words is "one hundred sixty-three million, four hundred ten thousand, two hundred fifty-seven".