245864685 has 16 divisors (see below), whose sum is σ = 429145920. Its totient is φ = 119207040.

The previous prime is 245864683. The next prime is 245864701. The reversal of 245864685 is 586468542.

It is not a de Polignac number, because 245864685 - 2¹ = 245864683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245864681) 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 in 15 ways as a sum of consecutive naturals, for example, 744880 + ... + 745209.

It is an arithmetic number, because the mean of its divisors is an integer number (26821620).

Almost surely, 2^245864685 is an apocalyptic number.

It is an amenable number.

245864685 is a deficient number, since it is larger than the sum of its proper divisors (183281235).

245864685 is a wasteful number, since it uses less digits than its factorization.

245864685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490108.

The product of its digits is 1843200, while the sum is 48.

The square root of 245864685 is about 15680.0728633511. The cubic root of 245864685 is about 626.4677483123.

The spelling of 245864685 in words is "two hundred forty-five million, eight hundred sixty-four thousand, six hundred eighty-five".