235689697 has 2 divisors, whose sum is σ = 235689698. Its totient is φ = 235689696.

The previous prime is 235689691. The next prime is 235689703. The reversal of 235689697 is 796986532.

It is a balanced prime because it is at equal distance from previous prime (235689691) and next prime (235689703).

It can be written as a sum of positive squares in only one way, i.e., 226472401 + 9217296 = 15049^2 + 3036^2 .

It is a cyclic number.

It is not a de Polignac number, because 235689697 - 2¹¹ = 235687649 is a prime.

It is not a weakly prime, because it can be changed into another prime (235689691) 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, 117844848 + 117844849.

It is an arithmetic number, because the mean of its divisors is an integer number (117844849).

Almost surely, 2^235689697 is an apocalyptic number.

It is an amenable number.

235689697 is a deficient number, since it is larger than the sum of its proper divisors (1).

235689697 is an equidigital number, since it uses as much as digits as its factorization.

235689697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 55.

The square root of 235689697 is about 15352.1886713263. The cubic root of 235689697 is about 617.7036951952.

The spelling of 235689697 in words is "two hundred thirty-five million, six hundred eighty-nine thousand, six hundred ninety-seven".