263024161 has 2 divisors, whose sum is σ = 263024162. Its totient is φ = 263024160.

The previous prime is 263024137. The next prime is 263024191. The reversal of 263024161 is 161420362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261436561 + 1587600 = 16169^2 + 1260^2 .

It is a cyclic number.

It is not a de Polignac number, because 263024161 - 2⁷ = 263024033 is a prime.

It is not a weakly prime, because it can be changed into another prime (263024191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131512080 + 131512081.

It is an arithmetic number, because the mean of its divisors is an integer number (131512081).

Almost surely, 2^263024161 is an apocalyptic number.

It is an amenable number.

263024161 is a deficient number, since it is larger than the sum of its proper divisors (1).

263024161 is an equidigital number, since it uses as much as digits as its factorization.

263024161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 263024161 is about 16218.0196386612. The cubic root of 263024161 is about 640.7154767029.

The spelling of 263024161 in words is "two hundred sixty-three million, twenty-four thousand, one hundred sixty-one".