234533657 has 2 divisors, whose sum is σ = 234533658. Its totient is φ = 234533656.

The previous prime is 234533641. The next prime is 234533659. The reversal of 234533657 is 756335432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215619856 + 18913801 = 14684^2 + 4349^2 .

It is a cyclic number.

It is not a de Polignac number, because 234533657 - 2⁴ = 234533641 is a prime.

Together with 234533659, it forms a pair of twin primes.

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 234533657.

It is not a weakly prime, because it can be changed into another prime (234533659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117266828 + 117266829.

It is an arithmetic number, because the mean of its divisors is an integer number (117266829).

Almost surely, 2^234533657 is an apocalyptic number.

It is an amenable number.

234533657 is a deficient number, since it is larger than the sum of its proper divisors (1).

234533657 is an equidigital number, since it uses as much as digits as its factorization.

234533657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 38.

The square root of 234533657 is about 15314.4917316900. The cubic root of 234533657 is about 616.6921096231.

The spelling of 234533657 in words is "two hundred thirty-four million, five hundred thirty-three thousand, six hundred fifty-seven".