68925539 has 2 divisors, whose sum is σ = 68925540. Its totient is φ = 68925538.

The previous prime is 68925523. The next prime is 68925553. The reversal of 68925539 is 93552986.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68925539 - 2⁴ = 68925523 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68925493 and 68925502.

It is not a weakly prime, because it can be changed into another prime (68925569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34462769 + 34462770.

It is an arithmetic number, because the mean of its divisors is an integer number (34462770).

Almost surely, 2^68925539 is an apocalyptic number.

68925539 is a deficient number, since it is larger than the sum of its proper divisors (1).

68925539 is an equidigital number, since it uses as much as digits as its factorization.

68925539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 47.

The square root of 68925539 is about 8302.1406275731. The cubic root of 68925539 is about 410.0090003973.

The spelling of 68925539 in words is "sixty-eight million, nine hundred twenty-five thousand, five hundred thirty-nine".