253803163 has 2 divisors, whose sum is σ = 253803164. Its totient is φ = 253803162.

The previous prime is 253803133. The next prime is 253803181. The reversal of 253803163 is 361308352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253803163 - 2⁵ = 253803131 is a prime.

It is not a weakly prime, because it can be changed into another prime (253803103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126901581 + 126901582.

It is an arithmetic number, because the mean of its divisors is an integer number (126901582).

Almost surely, 2^253803163 is an apocalyptic number.

253803163 is a deficient number, since it is larger than the sum of its proper divisors (1).

253803163 is an equidigital number, since it uses as much as digits as its factorization.

253803163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 253803163 is about 15931.2009277393. The cubic root of 253803163 is about 633.1389185043.

The spelling of 253803163 in words is "two hundred fifty-three million, eight hundred three thousand, one hundred sixty-three".