163254869 has 2 divisors, whose sum is σ = 163254870. Its totient is φ = 163254868.

The previous prime is 163254809. The next prime is 163254877. The reversal of 163254869 is 968452361.

163254869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115132900 + 48121969 = 10730^2 + 6937^2 .

It is a cyclic number.

It is not a de Polignac number, because 163254869 - 2⁸ = 163254613 is a prime.

It is a super-2 number, since 2×163254869² = 53304304504414322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163254809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81627434 + 81627435.

It is an arithmetic number, because the mean of its divisors is an integer number (81627435).

Almost surely, 2^163254869 is an apocalyptic number.

It is an amenable number.

163254869 is a deficient number, since it is larger than the sum of its proper divisors (1).

163254869 is an equidigital number, since it uses as much as digits as its factorization.

163254869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 44.

The square root of 163254869 is about 12777.1228764538. The cubic root of 163254869 is about 546.5401197183.

The spelling of 163254869 in words is "one hundred sixty-three million, two hundred fifty-four thousand, eight hundred sixty-nine".