163082251 has 2 divisors, whose sum is σ = 163082252. Its totient is φ = 163082250.

The previous prime is 163082239. The next prime is 163082279. The reversal of 163082251 is 152280361.

It is an a-pointer prime, because the next prime (163082279) can be obtained adding 163082251 to its sum of digits (28).

It is a weak prime.

It is an emirp because it is prime and its reverse (152280361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163082251 - 2¹⁵ = 163049483 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (163082201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81541125 + 81541126.

It is an arithmetic number, because the mean of its divisors is an integer number (81541126).

Almost surely, 2^163082251 is an apocalyptic number.

163082251 is a deficient number, since it is larger than the sum of its proper divisors (1).

163082251 is an equidigital number, since it uses as much as digits as its factorization.

163082251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 163082251 is about 12770.3661263098. The cubic root of 163082251 is about 546.3474232030.

The spelling of 163082251 in words is "one hundred sixty-three million, eighty-two thousand, two hundred fifty-one".