245360449 has 2 divisors, whose sum is σ = 245360450. Its totient is φ = 245360448.

The previous prime is 245360383. The next prime is 245360459. The reversal of 245360449 is 944063542.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204490000 + 40870449 = 14300^2 + 6393^2 .

It is a cyclic number.

It is not a de Polignac number, because 245360449 - 2¹¹ = 245358401 is a prime.

It is not a weakly prime, because it can be changed into another prime (245360459) 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, 122680224 + 122680225.

It is an arithmetic number, because the mean of its divisors is an integer number (122680225).

Almost surely, 2^245360449 is an apocalyptic number.

It is an amenable number.

245360449 is a deficient number, since it is larger than the sum of its proper divisors (1).

245360449 is an equidigital number, since it uses as much as digits as its factorization.

245360449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 245360449 is about 15663.9857316074. The cubic root of 245360449 is about 626.0391876648.

The spelling of 245360449 in words is "two hundred forty-five million, three hundred sixty thousand, four hundred forty-nine".