268481237 has 2 divisors, whose sum is σ = 268481238. Its totient is φ = 268481236.

The previous prime is 268481209. The next prime is 268481281. The reversal of 268481237 is 732184862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156100036 + 112381201 = 12494^2 + 10601^2 .

It is a cyclic number.

It is not a de Polignac number, because 268481237 - 2¹⁰ = 268480213 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 268481194 and 268481203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268480237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134240618 + 134240619.

It is an arithmetic number, because the mean of its divisors is an integer number (134240619).

Almost surely, 2^268481237 is an apocalyptic number.

It is an amenable number.

268481237 is a deficient number, since it is larger than the sum of its proper divisors (1).

268481237 is an equidigital number, since it uses as much as digits as its factorization.

268481237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 41.

The square root of 268481237 is about 16385.3970656802. The cubic root of 268481237 is about 645.1162477013.

The spelling of 268481237 in words is "two hundred sixty-eight million, four hundred eighty-one thousand, two hundred thirty-seven".