245559263 has 2 divisors, whose sum is σ = 245559264. Its totient is φ = 245559262.

The previous prime is 245559257. The next prime is 245559289. The reversal of 245559263 is 362955542.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245559263 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245559263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245559253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122779631 + 122779632.

It is an arithmetic number, because the mean of its divisors is an integer number (122779632).

Almost surely, 2^245559263 is an apocalyptic number.

245559263 is a deficient number, since it is larger than the sum of its proper divisors (1).

245559263 is an equidigital number, since it uses as much as digits as its factorization.

245559263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324000, while the sum is 41.

The square root of 245559263 is about 15670.3306601999. The cubic root of 245559263 is about 626.2082338617.

The spelling of 245559263 in words is "two hundred forty-five million, five hundred fifty-nine thousand, two hundred sixty-three".