245506775 has 24 divisors (see below), whose sum is σ = 323818560. Its totient is φ = 184002560.

The previous prime is 245506769. The next prime is 245506777. The reversal of 245506775 is 577605542.

245506775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245506775 - 2¹⁸ = 245244631 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245506777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100367 + ... + 102783.

It is an arithmetic number, because the mean of its divisors is an integer number (13492440).

Almost surely, 2^245506775 is an apocalyptic number.

245506775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

245506775 is a deficient number, since it is larger than the sum of its proper divisors (78311785).

245506775 is a wasteful number, since it uses less digits than its factorization.

245506775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683 (or 2678 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 41.

The square root of 245506775 is about 15668.6558134385. The cubic root of 245506775 is about 626.1636135943.

The spelling of 245506775 in words is "two hundred forty-five million, five hundred six thousand, seven hundred seventy-five".