68425999 has 2 divisors, whose sum is σ = 68426000. Its totient is φ = 68425998.

The previous prime is 68425997. The next prime is 68426023. The reversal of 68425999 is 99952486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68425999 - 2¹ = 68425997 is a prime.

Together with 68425997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68425997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34212999 + 34213000.

It is an arithmetic number, because the mean of its divisors is an integer number (34213000).

Almost surely, 2^68425999 is an apocalyptic number.

68425999 is a deficient number, since it is larger than the sum of its proper divisors (1).

68425999 is an equidigital number, since it uses as much as digits as its factorization.

68425999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 52.

The square root of 68425999 is about 8272.0009066731. Note that the first 3 decimals coincide. The cubic root of 68425999 is about 409.0160800942.

The spelling of 68425999 in words is "sixty-eight million, four hundred twenty-five thousand, nine hundred ninety-nine".