68965825 has 6 divisors (see below), whose sum is σ = 85517654. Its totient is φ = 55172640.

The previous prime is 68965783. The next prime is 68965829. The reversal of 68965825 is 52856986.

It can be written as a sum of positive squares in 3 ways, for example, as 9409 + 68956416 = 97^2 + 8304^2 .

It is not a de Polignac number, because 68965825 - 2¹¹ = 68963777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68965829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1379292 + ... + 1379341.

Almost surely, 2^68965825 is an apocalyptic number.

It is an amenable number.

68965825 is a deficient number, since it is larger than the sum of its proper divisors (16551829).

68965825 is a wasteful number, since it uses less digits than its factorization.

68965825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758643 (or 2758638 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 49.

The square root of 68965825 is about 8304.5665148760. The cubic root of 68965825 is about 410.0888663211.

It can be divided in two parts, 6896 and 5825, that added together give a palindrome (12721).

The spelling of 68965825 in words is "sixty-eight million, nine hundred sixty-five thousand, eight hundred twenty-five".