235241561 has 2 divisors, whose sum is σ = 235241562. Its totient is φ = 235241560.

The previous prime is 235241557. The next prime is 235241569. The reversal of 235241561 is 165142532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208975936 + 26265625 = 14456^2 + 5125^2 .

It is a cyclic number.

It is not a de Polignac number, because 235241561 - 2² = 235241557 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (235241569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117620780 + 117620781.

It is an arithmetic number, because the mean of its divisors is an integer number (117620781).

Almost surely, 2^235241561 is an apocalyptic number.

It is an amenable number.

235241561 is a deficient number, since it is larger than the sum of its proper divisors (1).

235241561 is an equidigital number, since it uses as much as digits as its factorization.

235241561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 29.

The square root of 235241561 is about 15337.5865441731. The cubic root of 235241561 is about 617.3119500376.

The spelling of 235241561 in words is "two hundred thirty-five million, two hundred forty-one thousand, five hundred sixty-one".