234645317 has 2 divisors, whose sum is σ = 234645318. Its totient is φ = 234645316.

The previous prime is 234645311. The next prime is 234645353. The reversal of 234645317 is 713546432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233508961 + 1136356 = 15281^2 + 1066^2 .

It is a cyclic number.

It is not a de Polignac number, because 234645317 - 2¹² = 234641221 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234645311) 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, 117322658 + 117322659.

It is an arithmetic number, because the mean of its divisors is an integer number (117322659).

Almost surely, 2^234645317 is an apocalyptic number.

It is an amenable number.

234645317 is a deficient number, since it is larger than the sum of its proper divisors (1).

234645317 is an equidigital number, since it uses as much as digits as its factorization.

234645317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 35.

The square root of 234645317 is about 15318.1368645146. The cubic root of 234645317 is about 616.7899618416.

The spelling of 234645317 in words is "two hundred thirty-four million, six hundred forty-five thousand, three hundred seventeen".