163152251 has 2 divisors, whose sum is σ = 163152252. Its totient is φ = 163152250.

The previous prime is 163152229. The next prime is 163152263. The reversal of 163152251 is 152251361.

It is a strong prime.

It is an emirp because it is prime and its reverse (152251361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163152251 - 2¹⁴ = 163135867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163152251.

It is not a weakly prime, because it can be changed into another prime (163152211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81576125 + 81576126.

It is an arithmetic number, because the mean of its divisors is an integer number (81576126).

Almost surely, 2^163152251 is an apocalyptic number.

163152251 is a deficient number, since it is larger than the sum of its proper divisors (1).

163152251 is an equidigital number, since it uses as much as digits as its factorization.

163152251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 26.

The square root of 163152251 is about 12773.1065524406. The cubic root of 163152251 is about 546.4255818189.

The spelling of 163152251 in words is "one hundred sixty-three million, one hundred fifty-two thousand, two hundred fifty-one".