68425165 has 4 divisors (see below), whose sum is σ = 82110204. Its totient is φ = 54740128.

The previous prime is 68425151. The next prime is 68425171. The reversal of 68425165 is 56152486.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46867716 + 21557449 = 6846^2 + 4643^2 .

It is a cyclic number.

It is not a de Polignac number, because 68425165 - 2⁷ = 68425037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6842512 + ... + 6842521.

It is an arithmetic number, because the mean of its divisors is an integer number (20527551).

Almost surely, 2^68425165 is an apocalyptic number.

It is an amenable number.

68425165 is a deficient number, since it is larger than the sum of its proper divisors (13685039).

68425165 is a wasteful number, since it uses less digits than its factorization.

68425165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13685038.

The product of its digits is 57600, while the sum is 37.

The square root of 68425165 is about 8271.9504954998. The cubic root of 68425165 is about 409.0144183438.

The spelling of 68425165 in words is "sixty-eight million, four hundred twenty-five thousand, one hundred sixty-five".