68013125 has 10 divisors (see below), whose sum is σ = 84989982. Its totient is φ = 54410000.

The previous prime is 68013083. The next prime is 68013133. The reversal of 68013125 is 52131086.

It can be written as a sum of positive squares in 5 ways, for example, as 23203489 + 44809636 = 4817^2 + 6694^2 .

It is not a de Polignac number, because 68013125 - 2²⁶ = 904261 is a prime.

It is a super-3 number, since 3×68013125³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68013094 and 68013103.

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 9 ways as a sum of consecutive naturals, for example, 53786 + ... + 55035.

Almost surely, 2^68013125 is an apocalyptic number.

It is an amenable number.

68013125 is a deficient number, since it is larger than the sum of its proper divisors (16976857).

68013125 is an equidigital number, since it uses as much as digits as its factorization.

68013125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108841 (or 108826 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 68013125 is about 8247.0070328574. The cubic root of 68013125 is about 408.1917691510.

The spelling of 68013125 in words is "sixty-eight million, thirteen thousand, one hundred twenty-five".