245489267 has 2 divisors, whose sum is σ = 245489268. Its totient is φ = 245489266.

The previous prime is 245489219. The next prime is 245489359. The reversal of 245489267 is 762984542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245489267 - 2¹² = 245485171 is a prime.

It is not a weakly prime, because it can be changed into another prime (245489207) 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, 122744633 + 122744634.

It is an arithmetic number, because the mean of its divisors is an integer number (122744634).

Almost surely, 2^245489267 is an apocalyptic number.

245489267 is a deficient number, since it is larger than the sum of its proper divisors (1).

245489267 is an equidigital number, since it uses as much as digits as its factorization.

245489267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 47.

The square root of 245489267 is about 15668.0971084558. The cubic root of 245489267 is about 626.1487285561.

The spelling of 245489267 in words is "two hundred forty-five million, four hundred eighty-nine thousand, two hundred sixty-seven".