245503563 has 16 divisors (see below), whose sum is σ = 333590400. Its totient is φ = 160571840.

The previous prime is 245503529. The next prime is 245503571. The reversal of 245503563 is 365305542.

It is a cyclic number.

It is not a de Polignac number, because 245503563 - 2⁶ = 245503499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245503523) 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 in 15 ways as a sum of consecutive naturals, for example, 31468 + ... + 38486.

It is an arithmetic number, because the mean of its divisors is an integer number (20849400).

Almost surely, 2^245503563 is an apocalyptic number.

245503563 is a deficient number, since it is larger than the sum of its proper divisors (88086837).

245503563 is a wasteful number, since it uses less digits than its factorization.

245503563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7242.

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 245503563 is about 15668.5533154787. The cubic root of 245503563 is about 626.1608828533.

The spelling of 245503563 in words is "two hundred forty-five million, five hundred three thousand, five hundred sixty-three".