233161249 has 2 divisors, whose sum is σ = 233161250. Its totient is φ = 233161248.

The previous prime is 233161213. The next prime is 233161289. The reversal of 233161249 is 942161332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232715025 + 446224 = 15255^2 + 668^2 .

It is a cyclic number.

It is not a de Polignac number, because 233161249 - 2⁷ = 233161121 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233161249.

It is not a weakly prime, because it can be changed into another prime (233161289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116580624 + 116580625.

It is an arithmetic number, because the mean of its divisors is an integer number (116580625).

Almost surely, 2^233161249 is an apocalyptic number.

It is an amenable number.

233161249 is a deficient number, since it is larger than the sum of its proper divisors (1).

233161249 is an equidigital number, since it uses as much as digits as its factorization.

233161249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 233161249 is about 15269.6184955617. The cubic root of 233161249 is about 615.4868676454.

The spelling of 233161249 in words is "two hundred thirty-three million, one hundred sixty-one thousand, two hundred forty-nine".