235697897 has 2 divisors, whose sum is σ = 235697898. Its totient is φ = 235697896.

The previous prime is 235697873. The next prime is 235697923. The reversal of 235697897 is 798796532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170798761 + 64899136 = 13069^2 + 8056^2 .

It is a cyclic number.

It is not a de Polignac number, because 235697897 - 2¹⁶ = 235632361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (235697857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117848948 + 117848949.

It is an arithmetic number, because the mean of its divisors is an integer number (117848949).

Almost surely, 2^235697897 is an apocalyptic number.

It is an amenable number.

235697897 is a deficient number, since it is larger than the sum of its proper divisors (1).

235697897 is an equidigital number, since it uses as much as digits as its factorization.

235697897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 56.

The square root of 235697897 is about 15352.4557319017. The cubic root of 235697897 is about 617.7108587265.

The spelling of 235697897 in words is "two hundred thirty-five million, six hundred ninety-seven thousand, eight hundred ninety-seven".