235665697 has 2 divisors, whose sum is σ = 235665698. Its totient is φ = 235665696.

The previous prime is 235665673. The next prime is 235665763. The reversal of 235665697 is 796566532.

It is a happy number.

235665697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177662241 + 58003456 = 13329^2 + 7616^2 .

It is a cyclic number.

It is not a de Polignac number, because 235665697 - 2¹⁹ = 235141409 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 235665697.

It is not a weakly prime, because it can be changed into another prime (235665637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117832848 + 117832849.

It is an arithmetic number, because the mean of its divisors is an integer number (117832849).

Almost surely, 2^235665697 is an apocalyptic number.

It is an amenable number.

235665697 is a deficient number, since it is larger than the sum of its proper divisors (1).

235665697 is an equidigital number, since it uses as much as digits as its factorization.

235665697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 49.

The square root of 235665697 is about 15351.4070039199. The cubic root of 235665697 is about 617.6827278073.

The spelling of 235665697 in words is "two hundred thirty-five million, six hundred sixty-five thousand, six hundred ninety-seven".