68250625 has 10 divisors (see below), whose sum is σ = 85286762. Its totient is φ = 54600000.

The previous prime is 68250617. The next prime is 68250647. The reversal of 68250625 is 52605286.

It can be written as a sum of positive squares in 5 ways, for example, as 14653584 + 53597041 = 3828^2 + 7321^2 .

It is not a de Polignac number, because 68250625 - 2³ = 68250617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 53976 + ... + 55225.

Almost surely, 2^68250625 is an apocalyptic number.

It is an amenable number.

68250625 is a deficient number, since it is larger than the sum of its proper divisors (17036137).

68250625 is an equidigital number, since it uses as much as digits as its factorization.

68250625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109221 (or 109206 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 68250625 is about 8261.3936475633. The cubic root of 68250625 is about 408.6663487258. Note that the first 3 decimals are identical.

The spelling of 68250625 in words is "sixty-eight million, two hundred fifty thousand, six hundred twenty-five".