235520141 has 2 divisors, whose sum is σ = 235520142. Its totient is φ = 235520140.

The previous prime is 235520123. The next prime is 235520177. The reversal of 235520141 is 141025532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142802500 + 92717641 = 11950^2 + 9629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235520141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235520191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117760070 + 117760071.

It is an arithmetic number, because the mean of its divisors is an integer number (117760071).

Almost surely, 2^235520141 is an apocalyptic number.

It is an amenable number.

235520141 is a deficient number, since it is larger than the sum of its proper divisors (1).

235520141 is an equidigital number, since it uses as much as digits as its factorization.

235520141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 235520141 is about 15346.6654684332. The cubic root of 235520141 is about 617.5555335873. Note that the first 4 decimals are identical.

Adding to 235520141 its reverse (141025532), we get a palindrome (376545673).

The spelling of 235520141 in words is "two hundred thirty-five million, five hundred twenty thousand, one hundred forty-one".