234867481 has 2 divisors, whose sum is σ = 234867482. Its totient is φ = 234867480.

The previous prime is 234867463. The next prime is 234867497. The reversal of 234867481 is 184768432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183873600 + 50993881 = 13560^2 + 7141^2 .

It is a cyclic number.

It is not a de Polignac number, because 234867481 - 2²³ = 226478873 is a prime.

It is a super-2 number, since 2×234867481² = 110325467262570722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (234867431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117433740 + 117433741.

It is an arithmetic number, because the mean of its divisors is an integer number (117433741).

Almost surely, 2^234867481 is an apocalyptic number.

It is an amenable number.

234867481 is a deficient number, since it is larger than the sum of its proper divisors (1).

234867481 is an equidigital number, since it uses as much as digits as its factorization.

234867481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 43.

The square root of 234867481 is about 15325.3868140416. The cubic root of 234867481 is about 616.9845609398.

The spelling of 234867481 in words is "two hundred thirty-four million, eight hundred sixty-seven thousand, four hundred eighty-one".