67982513225 has 24 divisors (see below), whose sum is σ = 91974863232. Its totient is φ = 49434804800.

The previous prime is 67982513213. The next prime is 67982513227. The reversal of 67982513225 is 52231528976.

It is a happy number.

It is not a de Polignac number, because 67982513225 - 2⁶ = 67982513161 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67982513227) 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 23 ways as a sum of consecutive naturals, for example, 2666639 + ... + 2692011.

It is an arithmetic number, because the mean of its divisors is an integer number (3832285968).

Almost surely, 2^67982513225 is an apocalyptic number.

It is an amenable number.

67982513225 is a deficient number, since it is larger than the sum of its proper divisors (23992350007).

67982513225 is a wasteful number, since it uses less digits than its factorization.

67982513225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35137 (or 35132 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 50.

The spelling of 67982513225 in words is "sixty-seven billion, nine hundred eighty-two million, five hundred thirteen thousand, two hundred twenty-five".