245453459 has 2 divisors, whose sum is σ = 245453460. Its totient is φ = 245453458.

The previous prime is 245453423. The next prime is 245453471. The reversal of 245453459 is 954354542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245453459 - 2¹² = 245449363 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (245453479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122726729 + 122726730.

It is an arithmetic number, because the mean of its divisors is an integer number (122726730).

Almost surely, 2^245453459 is an apocalyptic number.

245453459 is a deficient number, since it is larger than the sum of its proper divisors (1).

245453459 is an equidigital number, since it uses as much as digits as its factorization.

245453459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432000, while the sum is 41.

The square root of 245453459 is about 15666.9543626067. The cubic root of 245453459 is about 626.1182829292.

The spelling of 245453459 in words is "two hundred forty-five million, four hundred fifty-three thousand, four hundred fifty-nine".