233225550581 has 2 divisors, whose sum is σ = 233225550582. Its totient is φ = 233225550580.

The previous prime is 233225550517. The next prime is 233225550617. The reversal of 233225550581 is 185055522332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233221384900 + 4165681 = 482930^2 + 2041^2 .

It is a cyclic number.

It is not a de Polignac number, because 233225550581 - 2⁶ = 233225550517 is a prime.

It is a super-2 number, since 2×233225550581² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233225550281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116612775290 + 116612775291.

It is an arithmetic number, because the mean of its divisors is an integer number (116612775291).

Almost surely, 2^233225550581 is an apocalyptic number.

It is an amenable number.

233225550581 is a deficient number, since it is larger than the sum of its proper divisors (1).

233225550581 is an equidigital number, since it uses as much as digits as its factorization.

233225550581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 233225550581 in words is "two hundred thirty-three billion, two hundred twenty-five million, five hundred fifty thousand, five hundred eighty-one".