245328469 has 2 divisors, whose sum is σ = 245328470. Its totient is φ = 245328468.

The previous prime is 245328443. The next prime is 245328491. The reversal of 245328469 is 964823542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243672100 + 1656369 = 15610^2 + 1287^2 .

It is a cyclic number.

It is not a de Polignac number, because 245328469 - 2¹⁹ = 244804181 is a prime.

It is a super-2 number, since 2×245328469² = 120372115403767922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245328439) 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, 122664234 + 122664235.

It is an arithmetic number, because the mean of its divisors is an integer number (122664235).

Almost surely, 2^245328469 is an apocalyptic number.

It is an amenable number.

245328469 is a deficient number, since it is larger than the sum of its proper divisors (1).

245328469 is an equidigital number, since it uses as much as digits as its factorization.

245328469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 43.

The square root of 245328469 is about 15662.9648853593. The cubic root of 245328469 is about 626.0119874060.

The spelling of 245328469 in words is "two hundred forty-five million, three hundred twenty-eight thousand, four hundred sixty-nine".