233505061 has 2 divisors, whose sum is σ = 233505062. Its totient is φ = 233505060.

The previous prime is 233505043. The next prime is 233505089. The reversal of 233505061 is 160505332.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190274436 + 43230625 = 13794^2 + 6575^2 .

It is a cyclic number.

It is not a de Polignac number, because 233505061 - 2⁷ = 233504933 is a prime.

It is a super-2 number, since 2×233505061² = 109049227025227442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233500061) 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, 116752530 + 116752531.

It is an arithmetic number, because the mean of its divisors is an integer number (116752531).

Almost surely, 2^233505061 is an apocalyptic number.

It is an amenable number.

233505061 is a deficient number, since it is larger than the sum of its proper divisors (1).

233505061 is an equidigital number, since it uses as much as digits as its factorization.

233505061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 233505061 is about 15280.8723900175. The cubic root of 233505061 is about 615.7892447129.

The spelling of 233505061 in words is "two hundred thirty-three million, five hundred five thousand, sixty-one".