234386281 has 2 divisors, whose sum is σ = 234386282. Its totient is φ = 234386280.

The previous prime is 234386267. The next prime is 234386287. The reversal of 234386281 is 182683432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232257600 + 2128681 = 15240^2 + 1459^2 .

It is a cyclic number.

It is not a de Polignac number, because 234386281 - 2⁷ = 234386153 is a prime.

It is a super-2 number, since 2×234386281² = 109873857442021922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 234386281.

It is not a weakly prime, because it can be changed into another prime (234386287) 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, 117193140 + 117193141.

It is an arithmetic number, because the mean of its divisors is an integer number (117193141).

Almost surely, 2^234386281 is an apocalyptic number.

It is an amenable number.

234386281 is a deficient number, since it is larger than the sum of its proper divisors (1).

234386281 is an equidigital number, since it uses as much as digits as its factorization.

234386281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 37.

The square root of 234386281 is about 15309.6793238787. The cubic root of 234386281 is about 616.5629104553.

The spelling of 234386281 in words is "two hundred thirty-four million, three hundred eighty-six thousand, two hundred eighty-one".